December weather forecastGreny, France
December
Weather in December
The first month of the winter, December, is also a frosty month in Greny, France, with temperature in the range of an average high of 8.7°C (47.7°F) and an average low of 5.9°C (42.6°F).Temperature
Upon the beginning of December, Greny's high-temperatures register at a frosty 8.7°C (47.7°F), closely mirroring the preceding month. Recording a slight drop from the daily maximum, Greny notes an average low temperature of 5.9°C (42.6°F) in the month of December.Humidity
In December, the average relative humidity is 82%.Rainfall
December is the month with the most rainfall in Greny. Rain falls for 16.4 days and accumulates 51mm (2.01") of precipitation.Snowfall
Months with snowfall in Greny are January through March, November and December. In Greny, in December, during 1 snowfall days, 4mm (0.16") of snow is typically accumulated. In Greny, France, during the entire year, snow falls for 5.5 days and aggregates up to 21mm (0.83") of snow.Daylight
December has the shortest days of the year in Greny, France, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:31 and sunset at 16:56. On the last day of December, in Greny, sunrise is at 08:52 and sunset at 17:03 CET.
Sunshine
The average sunshine in December in Greny is 4.1h.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 threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Greny, France
- Average high temperature in December: 8.7°C
The warmest month (with the highest average high temperature) is August (19.5°C).
The months with the lowest average high temperature are January and February (7.3°C).
- Average low temperature in December: 5.9°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is February (4.2°C).
Average pressure in December
Greny, France
- Average pressure in December: 1016.7mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).
Average wind speed in December
Greny, France
- Average wind speed in December: 27.5km/h
The windiest month (with the highest average wind speed) is December (27.5km/h).
The calmest month (with the lowest average wind speed) is July (17.3km/h).
Average humidity in December
Greny, France
- Average humidity in December: 82%
The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is September (79%).
Average rainfall in December
Greny, France
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in December
Greny, France
- Average rainfall days in December: 16.4 days
The month with the highest number of rainy days is October (16.7 days).
The month with the least rainy days is April (12.4 days).
Average snowfall in December
Greny, France
- Average snowfall in December: 4mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Greny, France
- Average snowfall days in December: 1 days
The months with the highest number of snowfall days are January and February (1.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Greny, France
- Average daylight in December: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and November (Average sunshine: 4h and 0min).
Average sunshine days in December
Greny, France
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is April (14.6 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in December
Greny, 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
Greny, France
- Average cloud cover in December: 60
The months with the most cloud cover are November and December (Cloud cover 60).
The months with the least cloud cover are April, July and August (Cloud cover 39).
Average visibility in December
Greny, France
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





