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
The onset of December brings a small shift in high-temperatures, falling from a fresh 10°C (50°F) in November to a chilly 6.7°C (44.1°F). December sees a slight dip to an average low temperature of 2.6°C (36.7°F) from the daytime highs.Humidity
With an average relative humidity of 88%, December is the most humid month.Rainfall
December is the month with the most rainfall. Rain falls for 17.7 days and accumulates 65mm (2.56") of precipitation.Snowfall
Months with snowfall in Terny-Sorny are January through March, November and December. In Terny-Sorny, in December, snow falls for 2.5 days, with typically accumulated 15mm (0.59") of snow. In Terny-Sorny, during the entire year, snow falls for 11.3 days and aggregates up to 83mm (3.27") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 12min of daylight.On the first day of December in Terny-Sorny, sunrise is at 08:21 and sunset at 16:49. On the last day of the month, sunrise is at 08:42 and sunset at 16:57 CET.
Sunshine
In December, the average sunshine in Terny-Sorny, France, is 4.1h.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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Terny-Sorny in December?
What is the most humid month in Terny-Sorny?
What is the average humidity in December in Terny-Sorny?
What is the rainiest month in Terny-Sorny?
How much does it rain in Terny-Sorny in December?
How much does it snow in Terny-Sorny in December?
What is the month with the shortest days in Terny-Sorny?
How many hours of daylight does Terny-Sorny have in December?
When are sunrise and sunset in December in Terny-Sorny?
How long on average sun shines in December in Terny-Sorny?
What is the month with the lowest UV index in Terny-Sorny?
What is the UV index reading in December in Terny-Sorny?
Average temperature in December
Terny-Sorny, France
- Average high temperature in December: 6.7°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in December: 2.6°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in December
Terny-Sorny, France
- Average pressure in December: 1017.7mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in December
Terny-Sorny, France
- Average wind speed in December: 16km/h
The windiest month (with the highest average wind speed) is February (16.2km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Terny-Sorny, 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 (74%).
Average rainfall in December
Terny-Sorny, 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
Terny-Sorny, France
- Average rainfall days in December: 17.7 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is September (13 days).
Average snowfall in December
Terny-Sorny, France
- Average snowfall in December: 15mm
The month with the highest snowfall is January (38mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Terny-Sorny, France
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (3.8 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
Terny-Sorny, France
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Terny-Sorny, France
- Average sunshine days in December: 8.7 days
The month with the most sunshine days is September (13.6 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in December
Terny-Sorny, 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
Terny-Sorny, France
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility in December
Terny-Sorny, 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).
