Cayeux-sur-Mer Weather & Climate: Best Time to Visit

In Cayeux-sur-Mer, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 22°C (72°F) in August. In February, the coolest month of the year, temperatures drop to a chilly 9°C (48°F).

At night, temperatures range from around 15°C (59°F) in August to 4°C (39°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

On average, Cayeux-sur-Mer receives a reasonable amount of rainfall, with an annual precipitation of 943 mm (37 in). Cayeux-sur-Mer experiences moderate seasonal variation in rainfall, with monthly averages ranging from 109 mm (4.3 in) in December, the wettest month, and 61 mm (2.4 in) in April, the driest month. For more details, please visit our Cayeux-sur-Mer Precipitation page.

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

The average number of days each month with precipitation

Cayeux-sur-Mer can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.3 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.8 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The city experiences its highest humidity in November, reaching 89%. In April, the humidity drops to its lowest level at 82%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year