Llangollen weather by month

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

Temperature in Llangollen (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
5°C maximum daytime temperature in January in Llangollen5
5°C maximum daytime temperature in February in Llangollen5
7°C maximum daytime temperature in March in Llangollen7
10°C maximum daytime temperature in April in Llangollen10
14°C maximum daytime temperature in May in Llangollen14
16°C maximum daytime temperature in June in Llangollen16
18°C maximum daytime temperature in July in Llangollen18
18°C maximum daytime temperature in August in Llangollen18
15°C maximum daytime temperature in September in Llangollen15
12°C maximum daytime temperature in October in Llangollen12
8°C maximum daytime temperature in November in Llangollen8
6°C maximum daytime temperature in December in Llangollen6
Min temperature (night-time)
0°C minimum night-time temperature in January in Llangollen0
-1°C minimum night-time temperature in February in Llangollen-1
1°C minimum night-time temperature in March in Llangollen1
2°C minimum night-time temperature in April in Llangollen2
5°C minimum night-time temperature in May in Llangollen5
8°C minimum night-time temperature in June in Llangollen8
10°C minimum night-time temperature in July in Llangollen10
10°C minimum night-time temperature in August in Llangollen10
8°C minimum night-time temperature in September in Llangollen8
6°C minimum night-time temperature in October in Llangollen6
2°C minimum night-time temperature in November in Llangollen2
1°C minimum night-time temperature in December in Llangollen1
Heat & Humidity
No heat & humidity in January in Llangollen0
No heat & humidity in February in Llangollen0
No heat & humidity in March in Llangollen0
No heat & humidity in April in Llangollen0
No heat & humidity in May in Llangollen0
No heat & humidity in June in Llangollen0
No heat & humidity in July in Llangollen0
No heat & humidity in August in Llangollen0
No heat & humidity in September in Llangollen0
No heat & humidity in October in Llangollen0
No heat & humidity in November in Llangollen0
No heat & humidity in December in Llangollen0

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

Sunshine & UV index in Llangollen

  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 Llangollen8
10 hours of daylight per day in February in Llangollen10
12 hours of daylight per day in March in Llangollen12
14 hours of daylight per day in April in Llangollen14
16 hours of daylight per day in May in Llangollen16
17 hours of daylight per day in June in Llangollen17
16 hours of daylight per day in July in Llangollen16
15 hours of daylight per day in August in Llangollen15
13 hours of daylight per day in September in Llangollen13
11 hours of daylight per day in October in Llangollen11
9 hours of daylight per day in November in Llangollen9
8 hours of daylight per day in December in Llangollen8
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Llangollen1
UV (maximum) index 1 (Low) in February in Llangollen1
UV (maximum) index 2 (Low) in March in Llangollen2
UV (maximum) index 4 (Moderate) in April in Llangollen4
UV (maximum) index 5 (Moderate) in May in Llangollen5
UV (maximum) index 6 (High) in June in Llangollen6
UV (maximum) index 6 (High) in July in Llangollen6
UV (maximum) index 5 (Moderate) in August in Llangollen5
UV (maximum) index 4 (Moderate) in September in Llangollen4
UV (maximum) index 2 (Low) in October in Llangollen2
UV (maximum) index 1 (Low) in November in Llangollen1
No UV (maximum) index in December in Llangollen0

Rainfall in Llangollen

  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 Llangollen20
16 days with some rainfall in February in Llangollen16
18 days with some rainfall in March in Llangollen18
16 days with some rainfall in April in Llangollen16
16 days with some rainfall in May in Llangollen16
15 days with some rainfall in June in Llangollen15
14 days with some rainfall in July in Llangollen14
16 days with some rainfall in August in Llangollen16
16 days with some rainfall in September in Llangollen16
18 days with some rainfall in October in Llangollen18
19 days with some rainfall in November in Llangollen19
20 days with some rainfall in December in Llangollen20
Average monthly rainfall (mm)
127 mm monthly rainfall in January in Llangollen127
94 mm monthly rainfall in February in Llangollen94
100 mm monthly rainfall in March in Llangollen100
78 mm monthly rainfall in April in Llangollen78
82 mm monthly rainfall in May in Llangollen82
71 mm monthly rainfall in June in Llangollen71
69 mm monthly rainfall in July in Llangollen69
88 mm monthly rainfall in August in Llangollen88
102 mm monthly rainfall in September in Llangollen102
116 mm monthly rainfall in October in Llangollen116
133 mm monthly rainfall in November in Llangollen133
143 mm monthly rainfall in December in Llangollen143

More about Llangollen

Llangollen 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 (Llangollen) 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 Llangollen?

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

Llangollen weather in January

Expect daytime maximum temperatures of 5°C in Llangollen, Wales in January based on long-term weather averages. There is 1 hour of sunshine per day on average with 20 days with some rainfall and typically 127 mm of rainfall in the month.

  • 5°C maximum daytime temperature in January in Llangollen5
    5°C max day temperature
  • 1 hour of sunshine per day
  • 20 days with some rainfall in January in Llangollen20
    20 days with some rainfall
  • 0°C minimum night-time temperature in January in Llangollen0
    0°C min night temperature
  • 8 hours of daylight per day in January in Llangollen8
    8 hours of daylight per day
  • No heat & humidity in January in Llangollen0
    No heat & humidity
  • 127 mm monthly rainfall in January in Llangollen127
    127 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Llangollen1
    1 (Low) UV index

Back to months

Llangollen weather in February

Expect daytime maximum temperatures of 5°C in Llangollen, Wales in February based on long-term weather averages. There are 2 hours of sunshine per day on average with 16 days with some rainfall and typically 94 mm of rainfall in the month.

  • 5°C maximum daytime temperature in February in Llangollen5
    5°C max day temperature
  • 2 hours of sunshine per day
  • 16 days with some rainfall in February in Llangollen16
    16 days with some rainfall
  • -1°C minimum night-time temperature in February in Llangollen-1
    -1°C min night temperature
  • 10 hours of daylight per day in February in Llangollen10
    10 hours of daylight per day
  • No heat & humidity in February in Llangollen0
    No heat & humidity
  • 94 mm monthly rainfall in February in Llangollen94
    94 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in February in Llangollen1
    1 (Low) UV index

Back to months

Llangollen weather in March

Expect daytime maximum temperatures of 7°C in Llangollen, Wales in March based on long-term weather averages. There are 3 hours of sunshine per day on average with 18 days with some rainfall and typically 100 mm of rainfall in the month.

  • 7°C maximum daytime temperature in March in Llangollen7
    7°C max day temperature
  • 3 hours of sunshine per day
  • 18 days with some rainfall in March in Llangollen18
    18 days with some rainfall
  • 1°C minimum night-time temperature in March in Llangollen1
    1°C min night temperature
  • 12 hours of daylight per day in March in Llangollen12
    12 hours of daylight per day
  • No heat & humidity in March in Llangollen0
    No heat & humidity
  • 100 mm monthly rainfall in March in Llangollen100
    100 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in March in Llangollen2
    2 (Low) UV index

Back to months

Llangollen weather in April

Expect daytime maximum temperatures of 10°C in Llangollen, Wales in April based on long-term weather averages. There are 4 hours of sunshine per day on average with 16 days with some rainfall and typically 78 mm of rainfall in the month.

  • 10°C maximum daytime temperature in April in Llangollen10
    10°C max day temperature
  • 4 hours of sunshine per day
  • 16 days with some rainfall in April in Llangollen16
    16 days with some rainfall
  • 2°C minimum night-time temperature in April in Llangollen2
    2°C min night temperature
  • 14 hours of daylight per day in April in Llangollen14
    14 hours of daylight per day
  • No heat & humidity in April in Llangollen0
    No heat & humidity
  • 78 mm monthly rainfall in April in Llangollen78
    78 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in April in Llangollen4
    4 (Moderate) UV index

Back to months

Llangollen weather in May

Expect daytime maximum temperatures of 14°C in Llangollen, Wales 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 82 mm of rainfall in the month.

  • 14°C maximum daytime temperature in May in Llangollen14
    14°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in May in Llangollen16
    16 days with some rainfall
  • 5°C minimum night-time temperature in May in Llangollen5
    5°C min night temperature
  • 16 hours of daylight per day in May in Llangollen16
    16 hours of daylight per day
  • No heat & humidity in May in Llangollen0
    No heat & humidity
  • 82 mm monthly rainfall in May in Llangollen82
    82 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Llangollen5
    5 (Moderate) UV index

Back to months

Llangollen weather in June

Expect daytime maximum temperatures of 16°C in Llangollen, Wales in June based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 71 mm of rainfall in the month.

  • 16°C maximum daytime temperature in June in Llangollen16
    16°C max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in June in Llangollen15
    15 days with some rainfall
  • 8°C minimum night-time temperature in June in Llangollen8
    8°C min night temperature
  • 17 hours of daylight per day in June in Llangollen17
    17 hours of daylight per day
  • No heat & humidity in June in Llangollen0
    No heat & humidity
  • 71 mm monthly rainfall in June in Llangollen71
    71 mm of monthly rainfall
  • UV (maximum) index 6 (High) in June in Llangollen6
    6 (High) UV index

Back to months

Llangollen weather in July

Expect daytime maximum temperatures of 18°C in Llangollen, Wales in July based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 69 mm of rainfall in the month.

  • 18°C maximum daytime temperature in July in Llangollen18
    18°C max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in July in Llangollen14
    14 days with some rainfall
  • 10°C minimum night-time temperature in July in Llangollen10
    10°C min night temperature
  • 16 hours of daylight per day in July in Llangollen16
    16 hours of daylight per day
  • No heat & humidity in July in Llangollen0
    No heat & humidity
  • 69 mm monthly rainfall in July in Llangollen69
    69 mm of monthly rainfall
  • UV (maximum) index 6 (High) in July in Llangollen6
    6 (High) UV index

Back to months

Llangollen weather in August

Expect daytime maximum temperatures of 18°C in Llangollen, Wales in August based on long-term weather averages. There are 5 hours of sunshine per day on average with 16 days with some rainfall and typically 88 mm of rainfall in the month.

  • 18°C maximum daytime temperature in August in Llangollen18
    18°C max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in August in Llangollen16
    16 days with some rainfall
  • 10°C minimum night-time temperature in August in Llangollen10
    10°C min night temperature
  • 15 hours of daylight per day in August in Llangollen15
    15 hours of daylight per day
  • No heat & humidity in August in Llangollen0
    No heat & humidity
  • 88 mm monthly rainfall in August in Llangollen88
    88 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Llangollen5
    5 (Moderate) UV index

Back to months

Llangollen weather in September

Expect daytime maximum temperatures of 15°C in Llangollen, Wales in September based on long-term weather averages. There are 4 hours of sunshine per day on average with 16 days with some rainfall and typically 102 mm of rainfall in the month.

  • 15°C maximum daytime temperature in September in Llangollen15
    15°C max day temperature
  • 4 hours of sunshine per day
  • 16 days with some rainfall in September in Llangollen16
    16 days with some rainfall
  • 8°C minimum night-time temperature in September in Llangollen8
    8°C min night temperature
  • 13 hours of daylight per day in September in Llangollen13
    13 hours of daylight per day
  • No heat & humidity in September in Llangollen0
    No heat & humidity
  • 102 mm monthly rainfall in September in Llangollen102
    102 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Llangollen4
    4 (Moderate) UV index

Back to months

Llangollen weather in October

Expect daytime maximum temperatures of 12°C in Llangollen, Wales in October based on long-term weather averages. There are 3 hours of sunshine per day on average with 18 days with some rainfall and typically 116 mm of rainfall in the month.

  • 12°C maximum daytime temperature in October in Llangollen12
    12°C max day temperature
  • 3 hours of sunshine per day
  • 18 days with some rainfall in October in Llangollen18
    18 days with some rainfall
  • 6°C minimum night-time temperature in October in Llangollen6
    6°C min night temperature
  • 11 hours of daylight per day in October in Llangollen11
    11 hours of daylight per day
  • No heat & humidity in October in Llangollen0
    No heat & humidity
  • 116 mm monthly rainfall in October in Llangollen116
    116 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Llangollen2
    2 (Low) UV index

Back to months

Llangollen weather in November

Expect daytime maximum temperatures of 8°C in Llangollen, 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 133 mm of rainfall in the month.

  • 8°C maximum daytime temperature in November in Llangollen8
    8°C max day temperature
  • 2 hours of sunshine per day
  • 19 days with some rainfall in November in Llangollen19
    19 days with some rainfall
  • 2°C minimum night-time temperature in November in Llangollen2
    2°C min night temperature
  • 9 hours of daylight per day in November in Llangollen9
    9 hours of daylight per day
  • No heat & humidity in November in Llangollen0
    No heat & humidity
  • 133 mm monthly rainfall in November in Llangollen133
    133 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in November in Llangollen1
    1 (Low) UV index

Back to months

Llangollen weather in December

Expect daytime maximum temperatures of 6°C in Llangollen, Wales in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 20 days with some rainfall and typically 143 mm of rainfall in the month.

  • 6°C maximum daytime temperature in December in Llangollen6
    6°C max day temperature
  • 1 hour of sunshine per day
  • 20 days with some rainfall in December in Llangollen20
    20 days with some rainfall
  • 1°C minimum night-time temperature in December in Llangollen1
    1°C min night temperature
  • 8 hours of daylight per day in December in Llangollen8
    8 hours of daylight per day
  • No heat & humidity in December in Llangollen0
    No heat & humidity
  • 143 mm monthly rainfall in December in Llangollen143
    143 mm of monthly rainfall
  • No UV (maximum) index in December in Llangollen0
    No UV (Maximum) Index UV index

Back to months

More about Llangollen

Llangollen 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 (Llangollen) 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)

Back to top

Compare Llangollen weather with the UK

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

Maximum daytime temperature (°C)

Llangollen, Denbighshire, Wales
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

Compare more weather >>

Back to top

More about Wales

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^