Grande-Synthe Weather in December
What's the weather like in Grande-Synthe (Nord-Pas-de-Calais) in December 2024?
The climate in Grande-Synthe during December can be summarized as cool and reasonably dry.
December is in the winter in Grande-Synthe and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 7°C (45°F), whilst at night 2°C (36°F) is normal.
| Daytime temperature | 7°C 44.6°F |
|---|---|
| Nightly temperature | 2.2°C 35.9°F |
| Average temperature | 4.6°C 40.2°F |
| Daily sunshine | 1.8 hrs |
| Avg rainfall | 59 mm 2.3 ins |
| Rainy days | 18 days |
| Sea temperature | 9.6°C 49.2°F |
| Humidity | 90% |
| Windspeed | 19.6kph 12 mph |
On average December is the 4th wettest month of the year in Grande-Synthe with around 59mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 1.8 hours of sunshine per day.
December temperatures in Grande-Synthe
December rainfall
December hourly sunshine
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 Grande-Synthe in December 2024.
Other monthly averages
Best places to visit in December
Grande-Synthe weather stats
| Hottest month: | August | 20.8°C 69.4°F |
|---|---|---|
| Driest month: | February | 39mm 1.5ins |
| Sunniest month: | August | 7.8hrs |
| Coldest month: | January | 5.9°C 42.6°F |
| Wettest month: | November | 81mm 3.2ins |
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