Coleraine Weather & Climate: Best Time to Visit

The weather in Coleraine changes moderately throughout the year, offering enough variation to appreciate each season. Average maximum daytime temperatures range from a moderate 17°C (63°F) in August, 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 August to around 4°C (39°F) during February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Coleraine has a relatively rainy climate with high precipitation levels, averaging 1283 mm (51 in) of rainfall annually. While rainfall varies throughout the year, each season offers its own charm. November brings wetter days averaging 134 mm (5.3 in) of precipitation, spread over 22 rainy days.

In contrast, the driest month May experiences a drier climate, with about 80 mm (3.1 in) of rainfall spread across 17 rainy days. For more details, please visit our Coleraine 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 Coleraine. While May receives considerable daily sunshine with up to 6.8 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.3 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine