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
Rainfall
Sunshine & UV index

Temperature in Colwyn Bay (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	7	7	8	11	14	17	18	18	16	13	10	8
Min temperature (night-time)	2	1	3	4	6	9	11	11	10	7	4	3
Heat & Humidity	0	0	0	0	0	0	0	0	0	0	0	0
Sea temperature	7	6	6	8	11	13	15	16	16	14	11	9

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

Sunshine & UV index in Colwyn Bay

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	2	2	3	5	6	6	6	5	4	3	2	1
Daily hours of daylight	8	10	12	14	16	17	16	15	13	11	9	8
UV Index (Maximum)	0	1	2	4	5	6	6	5	4	2	1	0

Rainfall in Colwyn Bay

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	21	16	18	15	16	15	14	16	16	19	20	20
Average monthly rainfall (mm)	126	88	97	69	73	69	63	87	105	127	141	140

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.

Colwyn Bay weather in January

Expect daytime maximum temperatures of 7°C in Colwyn Bay, Wales in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 21 days with some rainfall and typically 126 mm of rainfall in the month.

7
7°C max day temperature
2
2 hours of sunshine per day
21
21 days with some rainfall
2
2°C min night temperature
8
8 hours of daylight per day
0
No heat & humidity
126
126 mm of monthly rainfall
0
No UV (Maximum) Index UV index
7
7°C sea temperature

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Colwyn Bay weather in February

Expect daytime maximum temperatures of 7°C in Colwyn Bay, 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 88 mm of rainfall in the month.

7
7°C max day temperature
2
2 hours of sunshine per day
16
16 days with some rainfall
1
1°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
88
88 mm of monthly rainfall
1
1 (Low) UV index
6
6°C sea temperature

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Colwyn Bay weather in March

Expect daytime maximum temperatures of 8°C in Colwyn Bay, 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 97 mm of rainfall in the month.

8
8°C max day temperature
3
3 hours of sunshine per day
18
18 days with some rainfall
3
3°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
97
97 mm of monthly rainfall
2
2 (Low) UV index
6
6°C sea temperature

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Colwyn Bay weather in April

Expect daytime maximum temperatures of 11°C in Colwyn Bay, Wales in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 15 days with some rainfall and typically 69 mm of rainfall in the month.

11
11°C max day temperature
5
5 hours of sunshine per day
15
15 days with some rainfall
4
4°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
69
69 mm of monthly rainfall
4
4 (Moderate) UV index
8
8°C sea temperature

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Colwyn Bay weather in May

Expect daytime maximum temperatures of 14°C in Colwyn Bay, 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 73 mm of rainfall in the month.

14
14°C max day temperature
6
6 hours of sunshine per day
16
16 days with some rainfall
6
6°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
73
73 mm of monthly rainfall
5
5 (Moderate) UV index
11
11°C sea temperature

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Colwyn Bay weather in June

Expect daytime maximum temperatures of 17°C in Colwyn Bay, 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 69 mm of rainfall in the month.

17
17°C max day temperature
6
6 hours of sunshine per day
15
15 days with some rainfall
9
9°C min night temperature
17
17 hours of daylight per day
0
No heat & humidity
69
69 mm of monthly rainfall
6
6 (High) UV index
13
13°C sea temperature

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Colwyn Bay weather in July

Expect daytime maximum temperatures of 18°C in Colwyn Bay, Wales in July based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 63 mm of rainfall in the month.

18
18°C max day temperature
6
6 hours of sunshine per day
14
14 days with some rainfall
11
11°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
63
63 mm of monthly rainfall
6
6 (High) UV index
15
15°C sea temperature

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Colwyn Bay weather in August

Expect daytime maximum temperatures of 18°C in Colwyn Bay, 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 87 mm of rainfall in the month.

18
18°C max day temperature
5
5 hours of sunshine per day
16
16 days with some rainfall
11
11°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
87
87 mm of monthly rainfall
5
5 (Moderate) UV index
16
16°C sea temperature

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Colwyn Bay weather in September

Expect daytime maximum temperatures of 16°C in Colwyn Bay, 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 105 mm of rainfall in the month.

16
16°C max day temperature
4
4 hours of sunshine per day
16
16 days with some rainfall
10
10°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
105
105 mm of monthly rainfall
4
4 (Moderate) UV index
16
16°C sea temperature

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Colwyn Bay weather in October

Expect daytime maximum temperatures of 13°C in Colwyn Bay, 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 127 mm of rainfall in the month.

13
13°C max day temperature
3
3 hours of sunshine per day
19
19 days with some rainfall
7
7°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
127
127 mm of monthly rainfall
2
2 (Low) UV index
14
14°C sea temperature

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Colwyn Bay weather in November

Expect daytime maximum temperatures of 10°C in Colwyn Bay, Wales in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 20 days with some rainfall and typically 141 mm of rainfall in the month.

10
10°C max day temperature
2
2 hours of sunshine per day
20
20 days with some rainfall
4
4°C min night temperature
9
9 hours of daylight per day
0
No heat & humidity
141
141 mm of monthly rainfall
1
1 (Low) UV index
11
11°C sea temperature

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Colwyn Bay weather in December

Expect daytime maximum temperatures of 8°C in Colwyn Bay, 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 140 mm of rainfall in the month.