December weather forecastOsny, France
December
Weather in December
The first month of the winter, December, is also a frosty month in Osny, France, with an average temperature ranging between max 7.1°C (44.8°F) and min 2.9°C (37.2°F).Temperature
Osny, France, in December undergoes a slight reduction in the average high-temperature, shifting from November's cool 10.4°C (50.7°F) to a chilly 7.1°C (44.8°F). December nights experience a minor temperature downturn to a wintry 2.9°C (37.2°F).Humidity
January and December, with an average relative humidity of 86%, are the most humid months.Rainfall
In Osny, France, during December, the rain falls for 17.1 days and regularly aggregates up to 61mm (2.4") of precipitation. Throughout the year, in Osny, France, there are 193.4 rainfall days, and 555mm (21.85") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Osny, in December, snow falls for 1.9 days, with typically accumulated 22mm (0.87") of snow. Throughout the year, there are 9.2 snowfall days, and 81mm (3.19") of snow is accumulated.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year.On the first day of December in Osny, France, sunrise is at 08:25 and sunset at 16:56. On the last day of the month, sunrise is at 08:45 and sunset at 17:03 CET.
Sunshine
In Osny, the average sunshine in December is 4.2h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 2 in December leads to these 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. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Osny, France
- Average high temperature in December: 7.1°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 (6°C).
- Average low temperature in December: 2.9°C
The month with the highest average low temperature is August (14.5°C).
The coldest months (with the lowest average low temperature) are January and February (1.7°C).
Average pressure in December
Osny, France
- Average pressure in December: 1018mbar
The month with the highest atmospheric pressure is September (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.2mbar).
Average wind speed in December
Osny, 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 (10.4km/h).
Average humidity in December
Osny, 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 (70%).
Average rainfall in December
Osny, France
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is June (63mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in December
Osny, France
- Average rainfall days in December: 17.1 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is September (12.2 days).
Average snowfall in December
Osny, France
- Average snowfall in December: 22mm
The month with the highest snowfall is February (28mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Osny, France
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is February (3.1 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
Osny, France
- Average daylight in December: 8h and 18min
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 12min
The months with the most sunshine are July and August (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Osny, France
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is June (8 days).
Average UV index in December
Osny, 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
Osny, France
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 40).
Average visibility in December
Osny, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
