December weather forecastCernoy, France
December
Weather in December
The first month of the winter, December, is also a frosty month in Cernoy, France, with an average temperature fluctuating between 2.6°C (36.7°F) and 6.7°C (44.1°F).Temperature
December's arrival subtly correlates with a reduction in the average high-temperature, down from a fresh 10°C (50°F) in November to a frosty 6.7°C (44.1°F). Cernoy encounters an average temperature dip to an icy 2.6°C (36.7°F) throughout December, subtly lower than its daytime maximum.Humidity
December is the most humid month in Cernoy, with an average relative humidity of 88%.Rainfall
December is the month with the most rainfall in Cernoy. Rain falls for 17.7 days and accumulates 65mm (2.56") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Cernoy, in December, snow falls for 2.5 days, with typically accumulated 15mm (0.59") of snow. Throughout the year, in Cernoy, there are 11.3 snowfall days, and 83mm (3.27") of snow is accumulated.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 Cernoy, sunrise is at 08:24 and sunset at 16:53. On the last day of the month, sunrise is at 08:45 and sunset at 17:00 CET.
Sunshine
In December, the average sunshine in Cernoy, 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 in Cernoy, France. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cernoy, 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
Cernoy, 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
Cernoy, 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
Cernoy, 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
Cernoy, 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
Cernoy, 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
Cernoy, 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
Cernoy, 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
Cernoy, France
- Average daylight in December: 8h and 12min
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 6min
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
Cernoy, 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
Cernoy, 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
Cernoy, 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
Cernoy, 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).
