The climate of Caen is generally cool and wet, rainy and windy all year round, but especially in autumn and winter.
The city is located in the north of France, on the coast of the English Channel, in Normandy.
The average temperature of the coldest month (January) is of 5.3 °C (42 °F), that of the warmest month (August) is of 18 °C (64 °F). Here are the average temperatures.
Caen - Average temperatures
Min (°C)3245811131311953
Max (°C)891214172023232016128
Min (°F)373639414652555552484137
Max (°F)464854576368737368615446

Precipitation amounts to 740 millimeters (29.1 inches) per year: so, it is at an intermediate level. It ranges from 50 mm (2 in) in the driest months (February, April, August) to 80 mm (3.1 in) in the wettest ones (October, December). Here is the average precipitation.
Caen - Average precipitation

On average, there are around 1,700 sunshine hours per year. Here are the average sunshine hours per day.
Caen - Sunshine

The sea temperature ranges between 8 °C (46 °F) and 18 °C (64 °F). So, it never becomes warm for swimming. Here are the average sea temperatures.
Caen - Sea temperature
Temp (°C)98891114161817161411
Temp (°F)484646485257616463615752


Best Time

The best time to visit Caen runs from mid-May to mid-September, since it is the warmest and sunniest period of the year. Sometimes, nights can be cool or even a little cold even in these months, so it can be useful to bring a sweatshirt or sweater and a light jacket for the evening.