Colwyn Bay Weather & Climate: Best Time to Visit

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 (68°F) in July, the warmest time of the year, to a chilly 9°C (48°F) during cooler months like February.

At night, you can expect temperatures ranging from 13°C (55°F) in July to around 3°C (37°F) during February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Colwyn Bay has a notably wet climate with abundant precipitation, recording 1039 mm (41 in) 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 (4.1 in), and the driest month, May, with 74 mm (2.9 in), is minimal. For more details, please visit our Colwyn Bay Precipitation page.

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

The average number of days each month with precipitation

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

Daily hours of sunshine