Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
December brings a slight decrease in temperature, down from a cool 10°C (50°F) in November to a chilly 6.7°C (44.1°F). Orly-sur-Morin's nighttime temperatures in December reveal a minimal variation from the daytime highs, averaging at a cold 2.5°C (36.5°F).Humidity
The most humid month is December, with an average relative humidity of 88%.Rainfall
The month with the most rainfall is December, when the rain falls for 17.8 days and typically aggregates up to 65mm (2.56") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Orly-sur-Morin, in December, snow falls for 2.6 days, with typically accumulated 20mm (0.79") of snow. In Orly-sur-Morin, during the entire year, snow falls for 11.1 days and aggregates up to 84mm (3.31") of snow.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year in Orly-sur-Morin.On the first day of the month, sunrise is at 08:19 and sunset at 16:52. On the last day of December, in Orly-sur-Morin, sunrise is at 08:40 and sunset at 17:00 CET.
Sunshine
In December, the average sunshine is 4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Orly-sur-Morin. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Orly-sur-Morin?
What is the most humid month in Orly-sur-Morin?
What is the average humidity in December in Orly-sur-Morin?
What is the rainiest month in Orly-sur-Morin?
How much does it rain in Orly-sur-Morin in December?
How much does it snow in Orly-sur-Morin in December?
What is the month with the shortest days in Orly-sur-Morin?
What is the average length of the day in December in Orly-sur-Morin?
When is the sunrise / sunset in December in Orly-sur-Morin?
How long on average sun shines in December in Orly-sur-Morin?
What is the month with the lowest UV index in Orly-sur-Morin?
What is the UV index reading in December in Orly-sur-Morin?
Average temperature in December
Orly-sur-Morin, France
- Average high temperature in December: 6.7°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 2.5°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in December
Orly-sur-Morin, France
- Average pressure in December: 1018.2mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in December
Orly-sur-Morin, France
- Average wind speed in December: 15.6km/h
The windiest month (with the highest average wind speed) is February (15.9km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Orly-sur-Morin, 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 (71%).
Average rainfall in December
Orly-sur-Morin, France
- Average rainfall in December: 65mm
The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in December
Orly-sur-Morin, France
- Average rainfall days in December: 17.8 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is September (12.5 days).
Average snowfall in December
Orly-sur-Morin, France
- Average snowfall in December: 20mm
The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Orly-sur-Morin, France
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is January (3.4 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-sur-Morin, France
- Average daylight in December: 8h and 2min
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 18min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Orly-sur-Morin, France
- Average sunshine days in December: 9.2 days
The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in December
Orly-sur-Morin, 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
Orly-sur-Morin, 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 September (Cloud cover 38).
Average visibility in December
Orly-sur-Morin, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).
