Stornoway, Lewis weather by month

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

Temperature in Stornoway, Lewis (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
6°C maximum daytime temperature in January in Stornoway, Lewis6
6°C maximum daytime temperature in February in Stornoway, Lewis6
7°C maximum daytime temperature in March in Stornoway, Lewis7
9°C maximum daytime temperature in April in Stornoway, Lewis9
12°C maximum daytime temperature in May in Stornoway, Lewis12
14°C maximum daytime temperature in June in Stornoway, Lewis14
15°C maximum daytime temperature in July in Stornoway, Lewis15
16°C maximum daytime temperature in August in Stornoway, Lewis16
14°C maximum daytime temperature in September in Stornoway, Lewis14
12°C maximum daytime temperature in October in Stornoway, Lewis12
8°C maximum daytime temperature in November in Stornoway, Lewis8
7°C maximum daytime temperature in December in Stornoway, Lewis7
Min temperature (night-time)
2°C minimum night-time temperature in January in Stornoway, Lewis2
1°C minimum night-time temperature in February in Stornoway, Lewis1
2°C minimum night-time temperature in March in Stornoway, Lewis2
3°C minimum night-time temperature in April in Stornoway, Lewis3
6°C minimum night-time temperature in May in Stornoway, Lewis6
8°C minimum night-time temperature in June in Stornoway, Lewis8
10°C minimum night-time temperature in July in Stornoway, Lewis10
10°C minimum night-time temperature in August in Stornoway, Lewis10
8°C minimum night-time temperature in September in Stornoway, Lewis8
6°C minimum night-time temperature in October in Stornoway, Lewis6
3°C minimum night-time temperature in November in Stornoway, Lewis3
2°C minimum night-time temperature in December in Stornoway, Lewis2
Heat & Humidity
No heat & humidity in January in Stornoway, Lewis0
No heat & humidity in February in Stornoway, Lewis0
No heat & humidity in March in Stornoway, Lewis0
No heat & humidity in April in Stornoway, Lewis0
No heat & humidity in May in Stornoway, Lewis0
No heat & humidity in June in Stornoway, Lewis0
No heat & humidity in July in Stornoway, Lewis0
No heat & humidity in August in Stornoway, Lewis0
No heat & humidity in September in Stornoway, Lewis0
No heat & humidity in October in Stornoway, Lewis0
No heat & humidity in November in Stornoway, Lewis0
No heat & humidity in December in Stornoway, Lewis0
Sea temperature
9°C sea temperature in January in Stornoway, Lewis9
8°C sea temperature in February in Stornoway, Lewis8
7°C sea temperature in March in Stornoway, Lewis7
8°C sea temperature in April in Stornoway, Lewis8
9°C sea temperature in May in Stornoway, Lewis9
11°C sea temperature in June in Stornoway, Lewis11
12°C sea temperature in July in Stornoway, Lewis12
13°C sea temperature in August in Stornoway, Lewis13
13°C sea temperature in September in Stornoway, Lewis13
12°C sea temperature in October in Stornoway, Lewis12
11°C sea temperature in November in Stornoway, Lewis11
10°C sea temperature in December in Stornoway, Lewis10

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

Sunshine & UV index in Stornoway, Lewis

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
7 hours of daylight per day in January in Stornoway, Lewis7
9 hours of daylight per day in February in Stornoway, Lewis9
12 hours of daylight per day in March in Stornoway, Lewis12
14 hours of daylight per day in April in Stornoway, Lewis14
17 hours of daylight per day in May in Stornoway, Lewis17
18 hours of daylight per day in June in Stornoway, Lewis18
17 hours of daylight per day in July in Stornoway, Lewis17
15 hours of daylight per day in August in Stornoway, Lewis15
13 hours of daylight per day in September in Stornoway, Lewis13
10 hours of daylight per day in October in Stornoway, Lewis10
8 hours of daylight per day in November in Stornoway, Lewis8
7 hours of daylight per day in December in Stornoway, Lewis7
UV Index (Maximum)
No UV (maximum) index in January in Stornoway, Lewis0
UV (maximum) index 1 (Low) in February in Stornoway, Lewis1
UV (maximum) index 2 (Low) in March in Stornoway, Lewis2
UV (maximum) index 3 (Moderate) in April in Stornoway, Lewis3
UV (maximum) index 4 (Moderate) in May in Stornoway, Lewis4
UV (maximum) index 5 (Moderate) in June in Stornoway, Lewis5
UV (maximum) index 5 (Moderate) in July in Stornoway, Lewis5
UV (maximum) index 4 (Moderate) in August in Stornoway, Lewis4
UV (maximum) index 3 (Moderate) in September in Stornoway, Lewis3
UV (maximum) index 1 (Low) in October in Stornoway, Lewis1
No UV (maximum) index in November in Stornoway, Lewis0
No UV (maximum) index in December in Stornoway, Lewis0

Rainfall in Stornoway, Lewis

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
23 days with some rainfall in January in Stornoway, Lewis23
18 days with some rainfall in February in Stornoway, Lewis18
21 days with some rainfall in March in Stornoway, Lewis21
18 days with some rainfall in April in Stornoway, Lewis18
16 days with some rainfall in May in Stornoway, Lewis16
16 days with some rainfall in June in Stornoway, Lewis16
18 days with some rainfall in July in Stornoway, Lewis18
20 days with some rainfall in August in Stornoway, Lewis20
22 days with some rainfall in September in Stornoway, Lewis22
23 days with some rainfall in October in Stornoway, Lewis23
23 days with some rainfall in November in Stornoway, Lewis23
24 days with some rainfall in December in Stornoway, Lewis24
Average monthly rainfall (mm)
146 mm monthly rainfall in January in Stornoway, Lewis146
100 mm monthly rainfall in February in Stornoway, Lewis100
120 mm monthly rainfall in March in Stornoway, Lewis120
76 mm monthly rainfall in April in Stornoway, Lewis76
68 mm monthly rainfall in May in Stornoway, Lewis68
74 mm monthly rainfall in June in Stornoway, Lewis74
86 mm monthly rainfall in July in Stornoway, Lewis86
96 mm monthly rainfall in August in Stornoway, Lewis96
134 mm monthly rainfall in September in Stornoway, Lewis134
157 mm monthly rainfall in October in Stornoway, Lewis157
154 mm monthly rainfall in November in Stornoway, Lewis154
153 mm monthly rainfall in December in Stornoway, Lewis153

More about Stornoway, Lewis

Stornoway, Lewis by month

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

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The climate guide for Scotland (Stornoway, Lewis) 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 Stornoway, Lewis?

Stornoway, Lewis has a temperate climate with warm summers and some rainfall in all months.

Stornoway, Lewis weather in January

Expect daytime maximum temperatures of 6°C in Stornoway, Lewis, Scotland in January based on long-term weather averages. There is 1 hour of sunshine per day on average with 23 days with some rainfall and typically 146 mm of rainfall in the month.

  • 6°C maximum daytime temperature in January in Stornoway, Lewis6
    6°C max day temperature
  • 1 hour of sunshine per day
  • 23 days with some rainfall in January in Stornoway, Lewis23
    23 days with some rainfall
  • 2°C minimum night-time temperature in January in Stornoway, Lewis2
    2°C min night temperature
  • 7 hours of daylight per day in January in Stornoway, Lewis7
    7 hours of daylight per day
  • No heat & humidity in January in Stornoway, Lewis0
    No heat & humidity
  • 146 mm monthly rainfall in January in Stornoway, Lewis146
    146 mm of monthly rainfall
  • No UV (maximum) index in January in Stornoway, Lewis0
    No UV (Maximum) Index UV index
  • 9°C sea temperature in January in Stornoway, Lewis9
    9°C sea temperature

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Stornoway, Lewis weather in February

Expect daytime maximum temperatures of 6°C in Stornoway, Lewis, Scotland in February based on long-term weather averages. There are 2 hours of sunshine per day on average with 18 days with some rainfall and typically 100 mm of rainfall in the month.

  • 6°C maximum daytime temperature in February in Stornoway, Lewis6
    6°C max day temperature
  • 2 hours of sunshine per day
  • 18 days with some rainfall in February in Stornoway, Lewis18
    18 days with some rainfall
  • 1°C minimum night-time temperature in February in Stornoway, Lewis1
    1°C min night temperature
  • 9 hours of daylight per day in February in Stornoway, Lewis9
    9 hours of daylight per day
  • No heat & humidity in February in Stornoway, Lewis0
    No heat & humidity
  • 100 mm monthly rainfall in February in Stornoway, Lewis100
    100 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in February in Stornoway, Lewis1
    1 (Low) UV index
  • 8°C sea temperature in February in Stornoway, Lewis8
    8°C sea temperature

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Stornoway, Lewis weather in March

Expect daytime maximum temperatures of 7°C in Stornoway, Lewis, Scotland in March based on long-term weather averages. There are 3 hours of sunshine per day on average with 21 days with some rainfall and typically 120 mm of rainfall in the month.

  • 7°C maximum daytime temperature in March in Stornoway, Lewis7
    7°C max day temperature
  • 3 hours of sunshine per day
  • 21 days with some rainfall in March in Stornoway, Lewis21
    21 days with some rainfall
  • 2°C minimum night-time temperature in March in Stornoway, Lewis2
    2°C min night temperature
  • 12 hours of daylight per day in March in Stornoway, Lewis12
    12 hours of daylight per day
  • No heat & humidity in March in Stornoway, Lewis0
    No heat & humidity
  • 120 mm monthly rainfall in March in Stornoway, Lewis120
    120 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in March in Stornoway, Lewis2
    2 (Low) UV index
  • 7°C sea temperature in March in Stornoway, Lewis7
    7°C sea temperature

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Stornoway, Lewis weather in April

Expect daytime maximum temperatures of 9°C in Stornoway, Lewis, Scotland in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 18 days with some rainfall and typically 76 mm of rainfall in the month.

  • 9°C maximum daytime temperature in April in Stornoway, Lewis9
    9°C max day temperature
  • 5 hours of sunshine per day
  • 18 days with some rainfall in April in Stornoway, Lewis18
    18 days with some rainfall
  • 3°C minimum night-time temperature in April in Stornoway, Lewis3
    3°C min night temperature
  • 14 hours of daylight per day in April in Stornoway, Lewis14
    14 hours of daylight per day
  • No heat & humidity in April in Stornoway, Lewis0
    No heat & humidity
  • 76 mm monthly rainfall in April in Stornoway, Lewis76
    76 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in April in Stornoway, Lewis3
    3 (Moderate) UV index
  • 8°C sea temperature in April in Stornoway, Lewis8
    8°C sea temperature

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Stornoway, Lewis weather in May

Expect daytime maximum temperatures of 12°C in Stornoway, Lewis, Scotland in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 68 mm of rainfall in the month.

  • 12°C maximum daytime temperature in May in Stornoway, Lewis12
    12°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in May in Stornoway, Lewis16
    16 days with some rainfall
  • 6°C minimum night-time temperature in May in Stornoway, Lewis6
    6°C min night temperature
  • 17 hours of daylight per day in May in Stornoway, Lewis17
    17 hours of daylight per day
  • No heat & humidity in May in Stornoway, Lewis0
    No heat & humidity
  • 68 mm monthly rainfall in May in Stornoway, Lewis68
    68 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in May in Stornoway, Lewis4
    4 (Moderate) UV index
  • 9°C sea temperature in May in Stornoway, Lewis9
    9°C sea temperature

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Stornoway, Lewis weather in June

Expect daytime maximum temperatures of 14°C in Stornoway, Lewis, Scotland in June based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 74 mm of rainfall in the month.

  • 14°C maximum daytime temperature in June in Stornoway, Lewis14
    14°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in June in Stornoway, Lewis16
    16 days with some rainfall
  • 8°C minimum night-time temperature in June in Stornoway, Lewis8
    8°C min night temperature
  • 18 hours of daylight per day in June in Stornoway, Lewis18
    18 hours of daylight per day
  • No heat & humidity in June in Stornoway, Lewis0
    No heat & humidity
  • 74 mm monthly rainfall in June in Stornoway, Lewis74
    74 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in June in Stornoway, Lewis5
    5 (Moderate) UV index
  • 11°C sea temperature in June in Stornoway, Lewis11
    11°C sea temperature

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Stornoway, Lewis weather in July

Expect daytime maximum temperatures of 15°C in Stornoway, Lewis, Scotland in July based on long-term weather averages. There are 4 hours of sunshine per day on average with 18 days with some rainfall and typically 86 mm of rainfall in the month.

  • 15°C maximum daytime temperature in July in Stornoway, Lewis15
    15°C max day temperature
  • 4 hours of sunshine per day
  • 18 days with some rainfall in July in Stornoway, Lewis18
    18 days with some rainfall
  • 10°C minimum night-time temperature in July in Stornoway, Lewis10
    10°C min night temperature
  • 17 hours of daylight per day in July in Stornoway, Lewis17
    17 hours of daylight per day
  • No heat & humidity in July in Stornoway, Lewis0
    No heat & humidity
  • 86 mm monthly rainfall in July in Stornoway, Lewis86
    86 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in July in Stornoway, Lewis5
    5 (Moderate) UV index
  • 12°C sea temperature in July in Stornoway, Lewis12
    12°C sea temperature

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Stornoway, Lewis weather in August

Expect daytime maximum temperatures of 16°C in Stornoway, Lewis, Scotland in August based on long-term weather averages. There are 4 hours of sunshine per day on average with 20 days with some rainfall and typically 96 mm of rainfall in the month.

  • 16°C maximum daytime temperature in August in Stornoway, Lewis16
    16°C max day temperature
  • 4 hours of sunshine per day
  • 20 days with some rainfall in August in Stornoway, Lewis20
    20 days with some rainfall
  • 10°C minimum night-time temperature in August in Stornoway, Lewis10
    10°C min night temperature
  • 15 hours of daylight per day in August in Stornoway, Lewis15
    15 hours of daylight per day
  • No heat & humidity in August in Stornoway, Lewis0
    No heat & humidity
  • 96 mm monthly rainfall in August in Stornoway, Lewis96
    96 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in August in Stornoway, Lewis4
    4 (Moderate) UV index
  • 13°C sea temperature in August in Stornoway, Lewis13
    13°C sea temperature

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Stornoway, Lewis weather in September

Expect daytime maximum temperatures of 14°C in Stornoway, Lewis, Scotland in September based on long-term weather averages. There are 3 hours of sunshine per day on average with 22 days with some rainfall and typically 134 mm of rainfall in the month.

  • 14°C maximum daytime temperature in September in Stornoway, Lewis14
    14°C max day temperature
  • 3 hours of sunshine per day
  • 22 days with some rainfall in September in Stornoway, Lewis22
    22 days with some rainfall
  • 8°C minimum night-time temperature in September in Stornoway, Lewis8
    8°C min night temperature
  • 13 hours of daylight per day in September in Stornoway, Lewis13
    13 hours of daylight per day
  • No heat & humidity in September in Stornoway, Lewis0
    No heat & humidity
  • 134 mm monthly rainfall in September in Stornoway, Lewis134
    134 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Stornoway, Lewis3
    3 (Moderate) UV index
  • 13°C sea temperature in September in Stornoway, Lewis13
    13°C sea temperature

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Stornoway, Lewis weather in October

Expect daytime maximum temperatures of 12°C in Stornoway, Lewis, Scotland in October based on long-term weather averages. There are 3 hours of sunshine per day on average with 23 days with some rainfall and typically 157 mm of rainfall in the month.

  • 12°C maximum daytime temperature in October in Stornoway, Lewis12
    12°C max day temperature
  • 3 hours of sunshine per day
  • 23 days with some rainfall in October in Stornoway, Lewis23
    23 days with some rainfall
  • 6°C minimum night-time temperature in October in Stornoway, Lewis6
    6°C min night temperature
  • 10 hours of daylight per day in October in Stornoway, Lewis10
    10 hours of daylight per day
  • No heat & humidity in October in Stornoway, Lewis0
    No heat & humidity
  • 157 mm monthly rainfall in October in Stornoway, Lewis157
    157 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in October in Stornoway, Lewis1
    1 (Low) UV index
  • 12°C sea temperature in October in Stornoway, Lewis12
    12°C sea temperature

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Stornoway, Lewis weather in November

Expect daytime maximum temperatures of 8°C in Stornoway, Lewis, Scotland in November based on long-term weather averages. There is 1 hour of sunshine per day on average with 23 days with some rainfall and typically 154 mm of rainfall in the month.

  • 8°C maximum daytime temperature in November in Stornoway, Lewis8
    8°C max day temperature
  • 1 hour of sunshine per day
  • 23 days with some rainfall in November in Stornoway, Lewis23
    23 days with some rainfall
  • 3°C minimum night-time temperature in November in Stornoway, Lewis3
    3°C min night temperature
  • 8 hours of daylight per day in November in Stornoway, Lewis8
    8 hours of daylight per day
  • No heat & humidity in November in Stornoway, Lewis0
    No heat & humidity
  • 154 mm monthly rainfall in November in Stornoway, Lewis154
    154 mm of monthly rainfall
  • No UV (maximum) index in November in Stornoway, Lewis0
    No UV (Maximum) Index UV index
  • 11°C sea temperature in November in Stornoway, Lewis11
    11°C sea temperature

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Stornoway, Lewis weather in December

Expect daytime maximum temperatures of 7°C in Stornoway, Lewis, Scotland in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 24 days with some rainfall and typically 153 mm of rainfall in the month.

  • 7°C maximum daytime temperature in December in Stornoway, Lewis7
    7°C max day temperature
  • 1 hour of sunshine per day
  • 24 days with some rainfall in December in Stornoway, Lewis24
    24 days with some rainfall
  • 2°C minimum night-time temperature in December in Stornoway, Lewis2
    2°C min night temperature
  • 7 hours of daylight per day in December in Stornoway, Lewis7
    7 hours of daylight per day
  • No heat & humidity in December in Stornoway, Lewis0
    No heat & humidity
  • 153 mm monthly rainfall in December in Stornoway, Lewis153
    153 mm of monthly rainfall
  • No UV (maximum) index in December in Stornoway, Lewis0
    No UV (Maximum) Index UV index
  • 10°C sea temperature in December in Stornoway, Lewis10
    10°C sea temperature

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More about Stornoway, Lewis

Stornoway, Lewis by month

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

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The climate guide for Scotland (Stornoway, Lewis) 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.

Compare Stornoway, Lewis weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Stornoway, Lewis, Western Isles, Scotland and the UK (London).

Maximum daytime temperature (°C)

Stornoway, Lewis, Western Isles, Scotland
UK (London)
6
7
6
7
7
10
9
13
12
17
14
20
15
22
16
22
14
19
12
15
8
10
7
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

Compare more weather >>

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