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Colwyn Bay Weather and Climate: A Comprehensive Guide

Colwyn Bay experiences great temperature shifts. The city's weather can transition from pleasant days to cold weather. It also has a notably wet climate with much precipitation. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

The climate in Colwyn Bay is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a pleasant 20°C in July, the warmest time of the year, to a chilly 9°C during cooler months like February.

At night, temperatures typically drop to an average of around 3°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Colwyn Bay has a notably wet climate with abundant precipitation, recording 1039 mm of rainfall per year. Year-round, Colwyn Bay has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 103 mm, and the driest month, May, with 74 mm, is minimal.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Colwyn Bay. While May receives considerable daily sunshine with up to 5.6 hours, December marks the darkest time of the year, where sunshine is scarce with only 0.9 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Bala, the United Kingdom (42 KM, 26 Miles).

Daily hours of sunshine

Data from: Bala, the United Kingdom (42 KM, 26 Miles).

Forecast for Colwyn Bay

Sun   Jan 12
7°C | 2°C
S 4 m/s
overcast and no rain

overcast and no rain

Mon   Jan 13
10°C | 6°C
SW 10 m/s
overcast and no rain

overcast and no rain

Tue   Jan 14
12°C | 8°C
SW 7 m/s
overcast and no rain

overcast and no rain

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Colwyn Bay in the United Kingdom

Other facts from our historical weather data:
  • Which is the warmest month in Colwyn Bay?
    July has an average maximum temperature of 20°C and is the warmest month of the year.
  • Which is the coldest month in Colwyn Bay?
    The coldest month is February with an average maximum temperature of 9°C.
  • Which is the wettest month in Colwyn Bay?
    December tops the wettest month list with 103 mm of rainfall.
  • Which is the driest month in Colwyn Bay?
    May is the driest month with 74 mm of precipitation.
  • Which is the sunniest month in Colwyn Bay?
    May is the sunniest month with an average of 169 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.