December weather forecastSaint-Julien-en-Born, France
December
Weather in December
December, the first month of the winter in Saint-Julien-en-Born, is also a fresh month, with an average temperature varying between 8.6°C (47.5°F) and 12.1°C (53.8°F).Temperature
The introduction of December notes a subtle temperature variation to a cool 12.1°C (53.8°F) from November's 14.5°C (58.1°F). December nights witness a slight temperature decrease, averaging at a frosty 8.6°C (47.5°F).Humidity
In December, the average relative humidity is 78%.Rainfall
In Saint-Julien-en-Born, France, in December, it is raining for 15.7 days, with typically 65mm (2.56") of accumulated precipitation. Throughout the year, there are 179.8 rainfall days, and 643mm (25.31") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 1mm (0.04") of snow. In Saint-Julien-en-Born, during the entire year, snow falls for 1.6 days and aggregates up to 5mm (0.2") of snow.Daylight
The month with the shortest days in Saint-Julien-en-Born is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 08:20 and sunset at 17:27. On the last day of the month, sunrise is at 08:39 and sunset at 17:36 CET.
Sunshine
The month with the least sunshine is December, with an average of 5h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saint-Julien-en-Born, France
- Average high temperature in December: 12.1°C
The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (10.8°C).
- Average low temperature in December: 8.6°C
The month with the highest average low temperature is August (18.3°C).
The coldest month (with the lowest average low temperature) is February (6.8°C).
Average pressure in December
Saint-Julien-en-Born, France
- Average pressure in December: 1021.1mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is November (1015.1mbar).
Average wind speed in December
Saint-Julien-en-Born, France
- Average wind speed in December: 18km/h
The windiest months (with the highest average wind speed) are January, February and November (18.1km/h).
The calmest month (with the lowest average wind speed) is August (12.7km/h).
Average humidity in December
Saint-Julien-en-Born, France
- Average humidity in December: 78%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are August and September (72%).
Average rainfall in December
Saint-Julien-en-Born, France
- Average rainfall in December: 65mm
The wettest month (with the highest rainfall) is November (99mm).
The driest month (with the least rainfall) is August (32mm).
Average rainfall days in December
Saint-Julien-en-Born, France
- Average rainfall days in December: 15.7 days
The month with the highest number of rainy days is November (18.1 days).
The month with the least rainy days is September (11.6 days).
Average snowfall in December
Saint-Julien-en-Born, France
- Average snowfall in December: 1mm
The month with the highest snowfall is February (2mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Saint-Julien-en-Born, France
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Saint-Julien-en-Born, France
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Saint-Julien-en-Born, France
- Average sunshine days in December: 14.2 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is November (10.5 days).
Average UV index in December
Saint-Julien-en-Born, France
- Average UV index in December: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Saint-Julien-en-Born, France
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is September (Cloud cover 27).
Average visibility in December
Saint-Julien-en-Born, France
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
