The climate in Cannes during December can be summarized as cool and a little damp.
December is in the winter in Cannes and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 5°C (42°F) is normal.
Daytime temperature | 12.9°C 55.1°F |
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Nightly temperature | 5.4°C 41.6°F |
Average temperature | 9.1°C 48.4°F |
Daily sunshine | 5.4 hrs |
Avg rainfall | 83 mm 3.3 ins |
Rainy days | 8 days |
Sea temperature | 14.7°C 58.4°F |
Humidity | 68% |
Windspeed | 15.5kph 10 mph |
On average December is the 3rd wettest month of the year in Cannes with around 83mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.4 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Cannes in December 2025.
Best places to visit in December
Hottest month: | July | 26.3°C 79.3°F |
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Driest month: | July | 18mm 0.7ins |
Sunniest month: | July | 11.8hrs |
Coldest month: | January | 11.7°C 53.1°F |
Wettest month: | October | 107mm 4.2ins |