Gower Peninsula weather by month

Check out Gower Peninsula weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Gower Peninsula (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
7°C maximum daytime temperature in January in Gower Peninsula7
7°C maximum daytime temperature in February in Gower Peninsula7
9°C maximum daytime temperature in March in Gower Peninsula9
12°C maximum daytime temperature in April in Gower Peninsula12
15°C maximum daytime temperature in May in Gower Peninsula15
17°C maximum daytime temperature in June in Gower Peninsula17
19°C maximum daytime temperature in July in Gower Peninsula19
19°C maximum daytime temperature in August in Gower Peninsula19
17°C maximum daytime temperature in September in Gower Peninsula17
14°C maximum daytime temperature in October in Gower Peninsula14
11°C maximum daytime temperature in November in Gower Peninsula11
9°C maximum daytime temperature in December in Gower Peninsula9
Min temperature (night-time)
3°C minimum night-time temperature in January in Gower Peninsula3
2°C minimum night-time temperature in February in Gower Peninsula2
3°C minimum night-time temperature in March in Gower Peninsula3
5°C minimum night-time temperature in April in Gower Peninsula5
8°C minimum night-time temperature in May in Gower Peninsula8
10°C minimum night-time temperature in June in Gower Peninsula10
12°C minimum night-time temperature in July in Gower Peninsula12
12°C minimum night-time temperature in August in Gower Peninsula12
11°C minimum night-time temperature in September in Gower Peninsula11
9°C minimum night-time temperature in October in Gower Peninsula9
5°C minimum night-time temperature in November in Gower Peninsula5
4°C minimum night-time temperature in December in Gower Peninsula4
Heat & Humidity
No heat & humidity in January in Gower Peninsula0
No heat & humidity in February in Gower Peninsula0
No heat & humidity in March in Gower Peninsula0
No heat & humidity in April in Gower Peninsula0
No heat & humidity in May in Gower Peninsula0
No heat & humidity in June in Gower Peninsula0
No heat & humidity in July in Gower Peninsula0
No heat & humidity in August in Gower Peninsula0
No heat & humidity in September in Gower Peninsula0
No heat & humidity in October in Gower Peninsula0
No heat & humidity in November in Gower Peninsula0
No heat & humidity in December in Gower Peninsula0
Sea temperature
8°C sea temperature in January in Gower Peninsula8
8°C sea temperature in February in Gower Peninsula8
8°C sea temperature in March in Gower Peninsula8
9°C sea temperature in April in Gower Peninsula9
11°C sea temperature in May in Gower Peninsula11
14°C sea temperature in June in Gower Peninsula14
16°C sea temperature in July in Gower Peninsula16
17°C sea temperature in August in Gower Peninsula17
17°C sea temperature in September in Gower Peninsula17
15°C sea temperature in October in Gower Peninsula15
12°C sea temperature in November in Gower Peninsula12
10°C sea temperature in December in Gower Peninsula10

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Gower Peninsula

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
8 hours of daylight per day in January in Gower Peninsula8
10 hours of daylight per day in February in Gower Peninsula10
12 hours of daylight per day in March in Gower Peninsula12
14 hours of daylight per day in April in Gower Peninsula14
16 hours of daylight per day in May in Gower Peninsula16
17 hours of daylight per day in June in Gower Peninsula17
16 hours of daylight per day in July in Gower Peninsula16
15 hours of daylight per day in August in Gower Peninsula15
13 hours of daylight per day in September in Gower Peninsula13
11 hours of daylight per day in October in Gower Peninsula11
9 hours of daylight per day in November in Gower Peninsula9
8 hours of daylight per day in December in Gower Peninsula8
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Gower Peninsula1
UV (maximum) index 1 (Low) in February in Gower Peninsula1
UV (maximum) index 2 (Low) in March in Gower Peninsula2
UV (maximum) index 4 (Moderate) in April in Gower Peninsula4
UV (maximum) index 5 (Moderate) in May in Gower Peninsula5
UV (maximum) index 6 (High) in June in Gower Peninsula6
UV (maximum) index 6 (High) in July in Gower Peninsula6
UV (maximum) index 5 (Moderate) in August in Gower Peninsula5
UV (maximum) index 4 (Moderate) in September in Gower Peninsula4
UV (maximum) index 2 (Low) in October in Gower Peninsula2
UV (maximum) index 1 (Low) in November in Gower Peninsula1
No UV (maximum) index in December in Gower Peninsula0

Rainfall in Gower Peninsula

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
20 days with some rainfall in January in Gower Peninsula20
15 days with some rainfall in February in Gower Peninsula15
17 days with some rainfall in March in Gower Peninsula17
14 days with some rainfall in April in Gower Peninsula14
14 days with some rainfall in May in Gower Peninsula14
14 days with some rainfall in June in Gower Peninsula14
13 days with some rainfall in July in Gower Peninsula13
15 days with some rainfall in August in Gower Peninsula15
16 days with some rainfall in September in Gower Peninsula16
19 days with some rainfall in October in Gower Peninsula19
19 days with some rainfall in November in Gower Peninsula19
20 days with some rainfall in December in Gower Peninsula20
Average monthly rainfall (mm)
129 mm monthly rainfall in January in Gower Peninsula129
86 mm monthly rainfall in February in Gower Peninsula86
93 mm monthly rainfall in March in Gower Peninsula93
71 mm monthly rainfall in April in Gower Peninsula71
73 mm monthly rainfall in May in Gower Peninsula73
80 mm monthly rainfall in June in Gower Peninsula80
76 mm monthly rainfall in July in Gower Peninsula76
100 mm monthly rainfall in August in Gower Peninsula100
111 mm monthly rainfall in September in Gower Peninsula111
134 mm monthly rainfall in October in Gower Peninsula134
134 mm monthly rainfall in November in Gower Peninsula134
136 mm monthly rainfall in December in Gower Peninsula136

More about Gower Peninsula

Gower Peninsula by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Wales

  • Book hotels in the UK for £35 or less (London from £49)
  • Prices based on lowest saver room rates. T&Cs apply
  • Travel before 20th March 2026 (inclusive)

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The climate guide for Wales (Gower Peninsula) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Gower Peninsula?

Gower Peninsula has a temperate climate with warm summers and some rainfall in all months.

Gower Peninsula weather in January

Expect daytime maximum temperatures of 7°C in Gower Peninsula, Wales in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 20 days with some rainfall and typically 129 mm of rainfall in the month.

  • 7°C maximum daytime temperature in January in Gower Peninsula7
    7°C max day temperature
  • 2 hours of sunshine per day
  • 20 days with some rainfall in January in Gower Peninsula20
    20 days with some rainfall
  • 3°C minimum night-time temperature in January in Gower Peninsula3
    3°C min night temperature
  • 8 hours of daylight per day in January in Gower Peninsula8
    8 hours of daylight per day
  • No heat & humidity in January in Gower Peninsula0
    No heat & humidity
  • 129 mm monthly rainfall in January in Gower Peninsula129
    129 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Gower Peninsula1
    1 (Low) UV index
  • 8°C sea temperature in January in Gower Peninsula8
    8°C sea temperature

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Gower Peninsula weather in February

Expect daytime maximum temperatures of 7°C in Gower Peninsula, Wales in February based on long-term weather averages. There are 3 hours of sunshine per day on average with 15 days with some rainfall and typically 86 mm of rainfall in the month.

  • 7°C maximum daytime temperature in February in Gower Peninsula7
    7°C max day temperature
  • 3 hours of sunshine per day
  • 15 days with some rainfall in February in Gower Peninsula15
    15 days with some rainfall
  • 2°C minimum night-time temperature in February in Gower Peninsula2
    2°C min night temperature
  • 10 hours of daylight per day in February in Gower Peninsula10
    10 hours of daylight per day
  • No heat & humidity in February in Gower Peninsula0
    No heat & humidity
  • 86 mm monthly rainfall in February in Gower Peninsula86
    86 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in February in Gower Peninsula1
    1 (Low) UV index
  • 8°C sea temperature in February in Gower Peninsula8
    8°C sea temperature

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Gower Peninsula weather in March

Expect daytime maximum temperatures of 9°C in Gower Peninsula, Wales in March based on long-term weather averages. There are 4 hours of sunshine per day on average with 17 days with some rainfall and typically 93 mm of rainfall in the month.

  • 9°C maximum daytime temperature in March in Gower Peninsula9
    9°C max day temperature
  • 4 hours of sunshine per day
  • 17 days with some rainfall in March in Gower Peninsula17
    17 days with some rainfall
  • 3°C minimum night-time temperature in March in Gower Peninsula3
    3°C min night temperature
  • 12 hours of daylight per day in March in Gower Peninsula12
    12 hours of daylight per day
  • No heat & humidity in March in Gower Peninsula0
    No heat & humidity
  • 93 mm monthly rainfall in March in Gower Peninsula93
    93 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in March in Gower Peninsula2
    2 (Low) UV index
  • 8°C sea temperature in March in Gower Peninsula8
    8°C sea temperature

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Gower Peninsula weather in April

Expect daytime maximum temperatures of 12°C in Gower Peninsula, Wales in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 71 mm of rainfall in the month.

  • 12°C maximum daytime temperature in April in Gower Peninsula12
    12°C max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in April in Gower Peninsula14
    14 days with some rainfall
  • 5°C minimum night-time temperature in April in Gower Peninsula5
    5°C min night temperature
  • 14 hours of daylight per day in April in Gower Peninsula14
    14 hours of daylight per day
  • No heat & humidity in April in Gower Peninsula0
    No heat & humidity
  • 71 mm monthly rainfall in April in Gower Peninsula71
    71 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in April in Gower Peninsula4
    4 (Moderate) UV index
  • 9°C sea temperature in April in Gower Peninsula9
    9°C sea temperature

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Gower Peninsula weather in May

Expect daytime maximum temperatures of 15°C in Gower Peninsula, Wales in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 14 days with some rainfall and typically 73 mm of rainfall in the month.

  • 15°C maximum daytime temperature in May in Gower Peninsula15
    15°C max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in May in Gower Peninsula14
    14 days with some rainfall
  • 8°C minimum night-time temperature in May in Gower Peninsula8
    8°C min night temperature
  • 16 hours of daylight per day in May in Gower Peninsula16
    16 hours of daylight per day
  • No heat & humidity in May in Gower Peninsula0
    No heat & humidity
  • 73 mm monthly rainfall in May in Gower Peninsula73
    73 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Gower Peninsula5
    5 (Moderate) UV index
  • 11°C sea temperature in May in Gower Peninsula11
    11°C sea temperature

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Gower Peninsula weather in June

Expect daytime maximum temperatures of 17°C in Gower Peninsula, Wales in June based on long-term weather averages. There are 7 hours of sunshine per day on average with 14 days with some rainfall and typically 80 mm of rainfall in the month.

  • 17°C maximum daytime temperature in June in Gower Peninsula17
    17°C max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in June in Gower Peninsula14
    14 days with some rainfall
  • 10°C minimum night-time temperature in June in Gower Peninsula10
    10°C min night temperature
  • 17 hours of daylight per day in June in Gower Peninsula17
    17 hours of daylight per day
  • No heat & humidity in June in Gower Peninsula0
    No heat & humidity
  • 80 mm monthly rainfall in June in Gower Peninsula80
    80 mm of monthly rainfall
  • UV (maximum) index 6 (High) in June in Gower Peninsula6
    6 (High) UV index
  • 14°C sea temperature in June in Gower Peninsula14
    14°C sea temperature

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Gower Peninsula weather in July

Expect daytime maximum temperatures of 19°C in Gower Peninsula, Wales in July based on long-term weather averages. There are 6 hours of sunshine per day on average with 13 days with some rainfall and typically 76 mm of rainfall in the month.

  • 19°C maximum daytime temperature in July in Gower Peninsula19
    19°C max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in July in Gower Peninsula13
    13 days with some rainfall
  • 12°C minimum night-time temperature in July in Gower Peninsula12
    12°C min night temperature
  • 16 hours of daylight per day in July in Gower Peninsula16
    16 hours of daylight per day
  • No heat & humidity in July in Gower Peninsula0
    No heat & humidity
  • 76 mm monthly rainfall in July in Gower Peninsula76
    76 mm of monthly rainfall
  • UV (maximum) index 6 (High) in July in Gower Peninsula6
    6 (High) UV index
  • 16°C sea temperature in July in Gower Peninsula16
    16°C sea temperature

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Gower Peninsula weather in August

Expect daytime maximum temperatures of 19°C in Gower Peninsula, Wales in August based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 100 mm of rainfall in the month.

  • 19°C maximum daytime temperature in August in Gower Peninsula19
    19°C max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in August in Gower Peninsula15
    15 days with some rainfall
  • 12°C minimum night-time temperature in August in Gower Peninsula12
    12°C min night temperature
  • 15 hours of daylight per day in August in Gower Peninsula15
    15 hours of daylight per day
  • No heat & humidity in August in Gower Peninsula0
    No heat & humidity
  • 100 mm monthly rainfall in August in Gower Peninsula100
    100 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Gower Peninsula5
    5 (Moderate) UV index
  • 17°C sea temperature in August in Gower Peninsula17
    17°C sea temperature

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Gower Peninsula weather in September

Expect daytime maximum temperatures of 17°C in Gower Peninsula, Wales in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 16 days with some rainfall and typically 111 mm of rainfall in the month.

  • 17°C maximum daytime temperature in September in Gower Peninsula17
    17°C max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in September in Gower Peninsula16
    16 days with some rainfall
  • 11°C minimum night-time temperature in September in Gower Peninsula11
    11°C min night temperature
  • 13 hours of daylight per day in September in Gower Peninsula13
    13 hours of daylight per day
  • No heat & humidity in September in Gower Peninsula0
    No heat & humidity
  • 111 mm monthly rainfall in September in Gower Peninsula111
    111 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Gower Peninsula4
    4 (Moderate) UV index
  • 17°C sea temperature in September in Gower Peninsula17
    17°C sea temperature

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Gower Peninsula weather in October

Expect daytime maximum temperatures of 14°C in Gower Peninsula, Wales in October based on long-term weather averages. There are 3 hours of sunshine per day on average with 19 days with some rainfall and typically 134 mm of rainfall in the month.

  • 14°C maximum daytime temperature in October in Gower Peninsula14
    14°C max day temperature
  • 3 hours of sunshine per day
  • 19 days with some rainfall in October in Gower Peninsula19
    19 days with some rainfall
  • 9°C minimum night-time temperature in October in Gower Peninsula9
    9°C min night temperature
  • 11 hours of daylight per day in October in Gower Peninsula11
    11 hours of daylight per day
  • No heat & humidity in October in Gower Peninsula0
    No heat & humidity
  • 134 mm monthly rainfall in October in Gower Peninsula134
    134 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Gower Peninsula2
    2 (Low) UV index
  • 15°C sea temperature in October in Gower Peninsula15
    15°C sea temperature

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Gower Peninsula weather in November

Expect daytime maximum temperatures of 11°C in Gower Peninsula, Wales in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 19 days with some rainfall and typically 134 mm of rainfall in the month.

  • 11°C maximum daytime temperature in November in Gower Peninsula11
    11°C max day temperature
  • 2 hours of sunshine per day
  • 19 days with some rainfall in November in Gower Peninsula19
    19 days with some rainfall
  • 5°C minimum night-time temperature in November in Gower Peninsula5
    5°C min night temperature
  • 9 hours of daylight per day in November in Gower Peninsula9
    9 hours of daylight per day
  • No heat & humidity in November in Gower Peninsula0
    No heat & humidity
  • 134 mm monthly rainfall in November in Gower Peninsula134
    134 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in November in Gower Peninsula1
    1 (Low) UV index
  • 12°C sea temperature in November in Gower Peninsula12
    12°C sea temperature

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Gower Peninsula weather in December

Expect daytime maximum temperatures of 9°C in Gower Peninsula, Wales in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 20 days with some rainfall and typically 136 mm of rainfall in the month.

  • 9°C maximum daytime temperature in December in Gower Peninsula9
    9°C max day temperature
  • 2 hours of sunshine per day
  • 20 days with some rainfall in December in Gower Peninsula20
    20 days with some rainfall
  • 4°C minimum night-time temperature in December in Gower Peninsula4
    4°C min night temperature
  • 8 hours of daylight per day in December in Gower Peninsula8
    8 hours of daylight per day
  • No heat & humidity in December in Gower Peninsula0
    No heat & humidity
  • 136 mm monthly rainfall in December in Gower Peninsula136
    136 mm of monthly rainfall
  • No UV (maximum) index in December in Gower Peninsula0
    No UV (Maximum) Index UV index
  • 10°C sea temperature in December in Gower Peninsula10
    10°C sea temperature

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More about Gower Peninsula

Gower Peninsula by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Wales

  • Book hotels in the UK for £35 or less (London from £49)
  • Prices based on lowest saver room rates. T&Cs apply
  • Travel before 20th March 2026 (inclusive)

Expires at 23:59 on Friday 20th Mar 2026 · View all Travelodge offers

TravelodgeHotel deal finder

The climate guide for Wales (Gower Peninsula) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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Compare Gower Peninsula weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Gower Peninsula, Swansea, Wales and the UK (London).

Maximum daytime temperature (°C)

Gower Peninsula, Swansea, Wales
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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