December weather forecastSaclay, France
December
Weather in December
The first month of the winter, December, is also a frosty month in Saclay, France, with temperature in the range of an average low of 3°C (37.4°F) and an average high of 7.3°C (45.1°F).Temperature
December brings a minor shift in the average high-temperature, adjusting from a fresh 10.5°C (50.9°F) in November to a chilly 7.3°C (45.1°F). Saclay's nighttime temperatures in December see a subtle dip to an average of 3°C (37.4°F).Humidity
January and December, with an average relative humidity of 86%, are the most humid months in Saclay.Rainfall
In December, in Saclay, the rain falls for 13.9 days. Throughout December, 43mm (1.69") of precipitation is accumulated. In Saclay, during the entire year, the rain falls for 154.9 days and collects up to 384mm (15.12") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Saclay, in December, during 1.1 snowfall days, 12mm (0.47") of snow is typically accumulated. In Saclay, during the entire year, snow falls for 4.5 days and aggregates up to 37mm (1.46") of snow.Daylight
December has the shortest days of the year in Saclay, with an average of 8h and 24min of daylight.On the first day of December in Saclay, France, sunrise is at 08:23 and sunset at 16:57. On the last day of the month, sunrise is at 08:44 and sunset at 17:04 CET.
Sunshine
In Saclay, the average sunshine in December is 4.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Saclay. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Experience reduced UV exposure by about half when donning a wide-brim hat. Consider this! The reflection from snow can almost 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
Saclay, France
- Average high temperature in December: 7.3°C
The warmest month (with the highest average high temperature) is August (24.6°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in December: 3°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in December
Saclay, France
- Average pressure in December: 1018.3mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in December
Saclay, France
- Average wind speed in December: 15.1km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Saclay, France
- Average humidity in December: 86%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Saclay, France
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is June (46mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in December
Saclay, France
- Average rainfall days in December: 13.9 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in December
Saclay, France
- Average snowfall in December: 12mm
The month with the highest snowfall is January (13mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Saclay, France
- Average snowfall days in December: 1.1 days
The months with the highest number of snowfall days are January and February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Saclay, 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: 4h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Saclay, France
- Average sunshine days in December: 14.5 days
The months with the most sunshine days are March and September (18.5 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Saclay, France
- Average UV index in December: 2
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 2).
Average cloud cover in December
Saclay, France
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in December
Saclay, 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).
