December weather forecastWitternesse, France
December
Weather in December
December, the first month of the winter in Witternesse, is still a chilly month, with an average temperature varying between 6.9°C (44.4°F) and 2.7°C (36.9°F).Temperature
A subtle shift in Witternesse's weather is observed as November turns into December, with the average high temperature reducing from a fresh 10°C (50°F) to a frosty 6.9°C (44.4°F). An average low-temperature of 2.7°C (36.9°F), slightly less than the daytime peak, marks the month of December.Humidity
With an average relative humidity of 88%, December is the most humid month.Rainfall
The month with the most rainfall is December, when the rain falls for 15.6 days and typically aggregates up to 49mm (1.93") of precipitation.Snowfall
January through March, November and December are months with snowfall in Witternesse. In Witternesse, in December, during 2.4 snowfall days, 19mm (0.75") of snow is typically accumulated. Throughout the year, in Witternesse, there are 10.2 snowfall days, and 79mm (3.11") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 6min of daylight.On the first day of December, sunrise is at 08:30 and sunset at 16:48. On the last day of the month, sunrise is at 08:51 and sunset at 16:55 CET.
Sunshine
In Witternesse, the average sunshine in December is 4.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Witternesse. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 2 in December translates into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Witternesse, France
- Average high temperature in December: 6.9°C
The warmest months (with the highest average high temperature) are July and August (22.8°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in December: 2.7°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in December
Witternesse, France
- Average pressure in December: 1016.4mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in December
Witternesse, France
- Average wind speed in December: 18.2km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is August (12.5km/h).
Average humidity in December
Witternesse, France
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Witternesse, France
- Average rainfall in December: 49mm
The wettest month (with the highest rainfall) is December (49mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in December
Witternesse, France
- Average rainfall days in December: 15.6 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is September (10.4 days).
Average snowfall in December
Witternesse, France
- Average snowfall in December: 19mm
The month with the highest snowfall is January (30mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Witternesse, France
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Witternesse, France
- Average daylight in December: 8h and 6min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Witternesse, France
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is January (11.3 days).
Average UV index in December
Witternesse, France
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Witternesse, France
- Average cloud cover in December: 59
The months with the most cloud cover are January and November (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in December
Witternesse, France
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
