December weather forecastChassignieu, France
December
Weather in December
December, the first month of the winter in Chassignieu, is also a frosty month, with an average temperature fluctuating between 0°C (32°F) and 6.4°C (43.5°F).Temperature
December marks a gentle change in average high-temperature, declining from November's frosty 9.7°C (49.5°F) to a still chilly 6.4°C (43.5°F). In Chassignieu, the nighttime temperature averages to a cold 0°C (32°F) during December.Humidity
The months with the highest humidity are January, November and December, with an average relative humidity of 85%.Rainfall
In December, the rain falls for 12.1 days. Throughout December, 61mm (2.4") of precipitation is accumulated. Throughout the year, there are 161.5 rainfall days, and 601mm (23.66") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Chassignieu. In Chassignieu, during December, snow falls for 6 days and regularly aggregates up to 65mm (2.56") of snow. Throughout the year, there are 30.2 snowfall days, and 375mm (14.76") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 07:58 and sunset at 16:56. On the last day of December, sunrise is at 08:17 and sunset at 17:04 CET.
Sunshine
In Chassignieu, the average sunshine in December is 4.9h.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 value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To cut down UV radiation exposure by about half, sport a wide-brim hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chassignieu, France
- Average high temperature in December: 6.4°C
The warmest month (with the highest average high temperature) is August (25.1°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in December: 0°C
The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in December
Chassignieu, France
- Average pressure in December: 1021mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in December
Chassignieu, France
- Average wind speed in December: 9.6km/h
The windiest month (with the highest average wind speed) is February (10.5km/h).
The calmest month (with the lowest average wind speed) is September (7.7km/h).
Average humidity in December
Chassignieu, France
- Average humidity in December: 85%
The months with the highest relative humidity are January, November and December (85%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Chassignieu, France
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is November (67mm).
The driest month (with the least rainfall) is September (34mm).
Average rainfall days in December
Chassignieu, France
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is August (11 days).
Average snowfall in December
Chassignieu, France
- Average snowfall in December: 65mm
The month with the highest snowfall is November (92mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Chassignieu, France
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Chassignieu, 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: 4h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Chassignieu, France
- Average sunshine days in December: 14 days
The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in December
Chassignieu, 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
Chassignieu, France
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Chassignieu, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, July and August (9km).
The months with the lowest visibility are January, May, June, September, October, November and December (8km).
