December weather forecastOrly, France
December
Weather in December
December, the first month of the winter in Orly, is still a chilly month, with an average temperature fluctuating between 7.3°C (45.1°F) and 3°C (37.4°F).Temperature
In December, the average high-temperature marginally drops from a fresh 10.5°C (50.9°F) in November to a chilly 7.3°C (45.1°F). Orly maintains an average of approximately a wintry 3°C (37.4°F) during December nights, with only a minimal decrease from the daytime temperature.Humidity
The months with the highest humidity in Orly are January and December, with an average relative humidity of 85%.Rainfall
In Orly, in December, it is raining for 15.4 days, with typically 50mm (1.97") of accumulated precipitation. In Orly, France, during the entire year, the rain falls for 172.7 days and collects up to 467mm (18.39") of precipitation.Snowfall
January through March, November and December are months with snowfall in Orly. In Orly, during December, snow falls for 1.9 days and regularly aggregates up to 17mm (0.67") of snow. In Orly, France, during the entire year, snow falls for 8.5 days and aggregates up to 72mm (2.83") of snow.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year in Orly.On the first day of the month, sunrise is at 08:22 and sunset at 16:56. On the last day of December, in Orly, France, sunrise is at 08:43 and sunset at 17:04 CET.
Sunshine
In Orly, 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. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during December leads to these advisories:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Orly, France
- Average high temperature in December: 7.3°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in December: 3°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in December
Orly, France
- Average pressure in December: 1018.4mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in December
Orly, France
- Average wind speed in December: 14.9km/h
The windiest month (with the highest average wind speed) is February (15.4km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in December
Orly, France
- Average humidity in December: 85%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Orly, France
- Average rainfall in December: 50mm
The wettest month (with the highest rainfall) is June (52mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in December
Orly, France
- Average rainfall days in December: 15.4 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is September (10.7 days).
Average snowfall in December
Orly, France
- Average snowfall in December: 17mm
The month with the highest snowfall is January (29mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Orly, France
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is February (2.8 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
Orly, 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
Orly, France
- Average sunshine days in December: 12 days
The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in December
Orly, 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
Orly, France
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in December
Orly, 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).





