Cowes Weather & Climate: Best Time to Visit

The climate in Cowes experiences moderate temperature changes, with mild shifts between seasons. Average maximum daytime temperatures range from a comfortable 24°C (75°F) in February, the warmest time of the year, to a moderate 14°C (57°F) during cooler months like July.

At night, you can expect temperatures ranging from 16°C (61°F) in February to around 9°C (48°F) during July.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Cowes has a moderate amount of precipitation, averaging 821 mm (32 in) of rainfall annually. While rainfall varies throughout the year, each season offers its own charm. September brings wetter days averaging 89 mm (3.5 in) of precipitation, spread over 11 rainy days.

In contrast, the driest month March experiences a drier climate, with about 46 mm (1.8 in) of rainfall spread across 10 rainy days. For more details, please visit our Cowes 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 Cowes. While January receives considerable daily sunshine with up to 9.2 hours, June marks the darkest time of the year, where sunshine is scarce with only 4.1 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is moderate throughout the year in Cowes.

The city experiences its highest humidity in June, reaching 64%. In January, the humidity drops to its lowest level at 44%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year