Colwyn Bay weather by month

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

Temperature in Colwyn Bay (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
45°F maximum daytime temperature in January in Colwyn Bay45
45°F maximum daytime temperature in February in Colwyn Bay45
46°F maximum daytime temperature in March in Colwyn Bay46
52°F maximum daytime temperature in April in Colwyn Bay52
57°F maximum daytime temperature in May in Colwyn Bay57
63°F maximum daytime temperature in June in Colwyn Bay63
64°F maximum daytime temperature in July in Colwyn Bay64
64°F maximum daytime temperature in August in Colwyn Bay64
61°F maximum daytime temperature in September in Colwyn Bay61
55°F maximum daytime temperature in October in Colwyn Bay55
50°F maximum daytime temperature in November in Colwyn Bay50
46°F maximum daytime temperature in December in Colwyn Bay46
Min temperature (night-time)
36°F minimum night-time temperature in January in Colwyn Bay36
34°F minimum night-time temperature in February in Colwyn Bay34
37°F minimum night-time temperature in March in Colwyn Bay37
39°F minimum night-time temperature in April in Colwyn Bay39
43°F minimum night-time temperature in May in Colwyn Bay43
48°F minimum night-time temperature in June in Colwyn Bay48
52°F minimum night-time temperature in July in Colwyn Bay52
52°F minimum night-time temperature in August in Colwyn Bay52
50°F minimum night-time temperature in September in Colwyn Bay50
45°F minimum night-time temperature in October in Colwyn Bay45
39°F minimum night-time temperature in November in Colwyn Bay39
37°F minimum night-time temperature in December in Colwyn Bay37
Heat & Humidity
No heat & humidity in January in Colwyn Bay0
No heat & humidity in February in Colwyn Bay0
No heat & humidity in March in Colwyn Bay0
No heat & humidity in April in Colwyn Bay0
No heat & humidity in May in Colwyn Bay0
No heat & humidity in June in Colwyn Bay0
No heat & humidity in July in Colwyn Bay0
No heat & humidity in August in Colwyn Bay0
No heat & humidity in September in Colwyn Bay0
No heat & humidity in October in Colwyn Bay0
No heat & humidity in November in Colwyn Bay0
No heat & humidity in December in Colwyn Bay0
Sea temperature
45°F sea temperature in January in Colwyn Bay45
43°F sea temperature in February in Colwyn Bay43
43°F sea temperature in March in Colwyn Bay43
46°F sea temperature in April in Colwyn Bay46
52°F sea temperature in May in Colwyn Bay52
55°F sea temperature in June in Colwyn Bay55
59°F sea temperature in July in Colwyn Bay59
61°F sea temperature in August in Colwyn Bay61
61°F sea temperature in September in Colwyn Bay61
57°F sea temperature in October in Colwyn Bay57
52°F sea temperature in November in Colwyn Bay52
48°F sea temperature in December in Colwyn Bay48

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

Sunshine & Daylight in Colwyn Bay

  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 Colwyn Bay8
10 hours of daylight per day in February in Colwyn Bay10
12 hours of daylight per day in March in Colwyn Bay12
14 hours of daylight per day in April in Colwyn Bay14
16 hours of daylight per day in May in Colwyn Bay16
17 hours of daylight per day in June in Colwyn Bay17
16 hours of daylight per day in July in Colwyn Bay16
15 hours of daylight per day in August in Colwyn Bay15
13 hours of daylight per day in September in Colwyn Bay13
11 hours of daylight per day in October in Colwyn Bay11
9 hours of daylight per day in November in Colwyn Bay9
8 hours of daylight per day in December in Colwyn Bay8
UV Index (Maximum)
No UV (maximum) index in January in Colwyn Bay0
UV (maximum) index 1 (Low) in February in Colwyn Bay1
UV (maximum) index 2 (Low) in March in Colwyn Bay2
UV (maximum) index 4 (Moderate) in April in Colwyn Bay4
UV (maximum) index 5 (Moderate) in May in Colwyn Bay5
UV (maximum) index 6 (High) in June in Colwyn Bay6
UV (maximum) index 6 (High) in July in Colwyn Bay6
UV (maximum) index 5 (Moderate) in August in Colwyn Bay5
UV (maximum) index 4 (Moderate) in September in Colwyn Bay4
UV (maximum) index 2 (Low) in October in Colwyn Bay2
UV (maximum) index 1 (Low) in November in Colwyn Bay1
No UV (maximum) index in December in Colwyn Bay0

Rainfall in Colwyn Bay

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
21 days with some rainfall in January in Colwyn Bay21
16 days with some rainfall in February in Colwyn Bay16
18 days with some rainfall in March in Colwyn Bay18
15 days with some rainfall in April in Colwyn Bay15
16 days with some rainfall in May in Colwyn Bay16
15 days with some rainfall in June in Colwyn Bay15
14 days with some rainfall in July in Colwyn Bay14
16 days with some rainfall in August in Colwyn Bay16
16 days with some rainfall in September in Colwyn Bay16
19 days with some rainfall in October in Colwyn Bay19
20 days with some rainfall in November in Colwyn Bay20
20 days with some rainfall in December in Colwyn Bay20
Average monthly rainfall (inches)
5.0 inches monthly rainfall in January in Colwyn Bay5.0
3.5 inches monthly rainfall in February in Colwyn Bay3.5
3.8 inches monthly rainfall in March in Colwyn Bay3.8
2.7 inches monthly rainfall in April in Colwyn Bay2.7
2.9 inches monthly rainfall in May in Colwyn Bay2.9
2.7 inches monthly rainfall in June in Colwyn Bay2.7
2.5 inches monthly rainfall in July in Colwyn Bay2.5
3.4 inches monthly rainfall in August in Colwyn Bay3.4
4.1 inches monthly rainfall in September in Colwyn Bay4.1
5.0 inches monthly rainfall in October in Colwyn Bay5.0
5.6 inches monthly rainfall in November in Colwyn Bay5.6
5.5 inches monthly rainfall in December in Colwyn Bay5.5

More about Colwyn Bay

Colwyn Bay by month

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

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The climate guide for Wales (Colwyn Bay) 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 Colwyn Bay?

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

Metric (°C)  |  Imperial (°F)

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Tropical storm risk: Colwyn Bay hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
0
0
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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More about Wales

Compare Colwyn Bay with the USA

Below the Colwyn Bay chart shows average maximum daytime temperature for Colwyn Bay, Conwy, Wales and the USA (Washington).

Maximum daytime temperature (°F)

Colwyn Bay, Conwy, Wales
USA (Washington)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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