December weather forecastFontanil-Cornillon, France
December
Weather in December
The first month of the winter, December, is also an icy month in Fontanil-Cornillon, France, with temperature in the range of an average high of 4°C (39.2°F) and an average low of -2.3°C (27.9°F).Temperature
December heralds a minor drop in average high-temperature, sliding from November's chilly 7.7°C (45.9°F) to a cold 4°C (39.2°F). In December, Fontanil-Cornillon reports a consistent average low-temperature of -2.3°C (27.9°F) during the nights.Humidity
In Fontanil-Cornillon, the average relative humidity in December is 84%.Rainfall
December is the month with the most rainfall. Rain falls for 13.7 days and accumulates 126mm (4.96") of precipitation.Snowfall
January through May, October through December are months with snowfall in Fontanil-Cornillon. In Fontanil-Cornillon, in December, snow falls for 5.5 days, with typically accumulated 127mm (5") of snow. Throughout the year, there are 29.7 snowfall days, and 532mm (20.94") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of December in Fontanil-Cornillon, France, sunrise is at 07:56 and sunset at 16:56. On the last day of the month, sunrise is at 08:16 and sunset at 17:04 CET.
Sunshine
The months with the least sunshine in Fontanil-Cornillon are January and December, with an average of 5.3h of sunshine.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 of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Fontanil-Cornillon, France
- Average high temperature in December: 4°C
The warmest month (with the highest average high temperature) is July (21.7°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in December: -2.3°C
The month with the highest average low temperature is July (10.9°C).
The coldest month (with the lowest average low temperature) is February (-4.3°C).
Average pressure in December
Fontanil-Cornillon, France
- Average pressure in December: 1020.7mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in December
Fontanil-Cornillon, France
- Average wind speed in December: 8.8km/h
The windiest month (with the highest average wind speed) is February (9.3km/h).
The calmest month (with the lowest average wind speed) is September (7.1km/h).
Average humidity in December
Fontanil-Cornillon, France
- Average humidity in December: 84%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Fontanil-Cornillon, France
- Average rainfall in December: 126mm
The wettest month (with the highest rainfall) is December (126mm).
The driest month (with the least rainfall) is September (46mm).
Average rainfall days in December
Fontanil-Cornillon, France
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is May (21.4 days).
The month with the least rainy days is October (11.9 days).
Average snowfall in December
Fontanil-Cornillon, France
- Average snowfall in December: 127mm
The month with the highest snowfall is February (149mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Fontanil-Cornillon, France
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is February (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Fontanil-Cornillon, France
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 5h and 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).
Average sunshine days in December
Fontanil-Cornillon, France
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is May (7.1 days).
Average UV index in December
Fontanil-Cornillon, France
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Fontanil-Cornillon, France
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Fontanil-Cornillon, France
- Average visibility in December: 8km
The month with the highest visibility is August (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (8km).





