December weather forecastSantec, France
December
Weather in December
The first month of the winter, December, is still a cool month in Santec, France, with an average temperature fluctuating between 8.1°C (46.6°F) and 10.6°C (51.1°F).Temperature
The dawn of December sees an average high-temperature of a still fresh 10.6°C (51.1°F), subtly contrasting with November's 12.4°C (54.3°F). In Santec, the December nights are characterized by an average low-temperature of 8.1°C (46.6°F), a minor dip from daytime readings.Humidity
In Santec, France, the average relative humidity in December is 82%.Rainfall
In Santec, France, during December, the rain falls for 21.7 days and regularly aggregates up to 84mm (3.31") of precipitation. Throughout the year, in Santec, there are 217.9 rainfall days, and 694mm (27.32") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Santec, during December, snow falls for 0.7 days and regularly aggregates up to 5mm (0.2") of snow. In Santec, during the entire year, snow falls for 3.5 days and aggregates up to 23mm (0.91") of snow.Sea temperature
In December, the average sea temperature in Santec, France, is 12.8°C (55°F).Note: Engaging in a swim in 12.8°C (55°F) can threaten life. Brief exposure to 13°C (55.4°F) waters is uneasy, and submersion below 10°C (50°F) can lead to cold shock and disrupted breathing patterns, varying by individual.
Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:48 and sunset at 17:22. On the last day of December, sunrise is at 09:08 and sunset at 17:29 CET.
Sunshine
December has the least sunshine of the year in Santec, France, with an average of 3.3h of sunshine.UV index
In December, the average daily maximum UV index in Santec is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In December, a regular UV index of 3 translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Santec, France
- Average high temperature in December: 10.6°C
The warmest month (with the highest average high temperature) is August (18.8°C).
The month with the lowest average high temperature is February (9.3°C).
- Average low temperature in December: 8.1°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is February (6.2°C).
Average pressure in December
Santec, France
- Average pressure in December: 1017.1mbar
The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).
Average wind speed in December
Santec, France
- Average wind speed in December: 27.3km/h
The windiest month (with the highest average wind speed) is December (27.3km/h).
The calmest month (with the lowest average wind speed) is July (17.6km/h).
Average humidity in December
Santec, France
- Average humidity in December: 82%
The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is February (80%).
Average rainfall in December
Santec, France
- Average rainfall in December: 84mm
The wettest month (with the highest rainfall) is November (95mm).
The driest month (with the least rainfall) is September (30mm).
Average rainfall days in December
Santec, France
- Average rainfall days in December: 21.7 days
The month with the highest number of rainy days is November (22.4 days).
The month with the least rainy days is September (14.1 days).
Average snowfall in December
Santec, France
- Average snowfall in December: 5mm
The month with the highest snowfall is March (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Santec, France
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in December
Santec, France
- Average sea temperature in December: 12.8°C
The best month for swimming (with the highest average sea temperature) is August (16.7°C).
The coldest month (with the lowest average sea temperature) is March (9.9°C).
Average daylight in December /
Average sunshine in December
Santec, France
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in December
Santec, France
- Average sunshine days in December: 5 days
The month with the most sunshine days is September (11.3 days).
The month with the least sunshine days is November (4.6 days).
Average UV index in December
Santec, France
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in December
Santec, France
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 41).
Average visibility in December
Santec, France
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).





