The climate in Saint-Valery-sur-Somme during December can be summarized as cool and reasonably dry.
December is in the winter in Saint-Valery-sur-Somme and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 8°C (46°F), whilst at night 3°C (37°F) is normal.
|Daytime temperature||7.5°C 45.5°F|
|Nightly temperature||2.9°C 37.2°F|
|Average temperature||5.2°C 41.4°F|
|Daily sunshine||2 hrs|
|Avg rainfall||66 mm 2.6 ins|
|Rainy days||17 days|
|Sea temperature||10.5°C 50.9°F|
|Windspeed||17.3kph 11 mph|
On average December is the 3rd wettest month of the year in Saint-Valery-sur-Somme with around 66mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 2 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 Saint-Valery-sur-Somme in December 2022.
|Hottest month:||August||21°C 69.8°F|
|Driest month:||April||46mm 1.8ins|
|Coldest month:||January||6.4°C 43.5°F|
|Wettest month:||November||84mm 3.3ins|