December weather forecastOptevoz, France
December
Weather in December
December, the first month of the winter in Optevoz, is still a chilly month, with temperature in the range of an average low of 1.4°C (34.5°F) and an average high of 6.6°C (43.9°F).Temperature
In December, the average high-temperature marginally decreases from a cool 10.3°C (50.5°F) in November to a frosty 6.6°C (43.9°F). During December, Optevoz witnesses a consistent average low-temperature of 1.4°C (34.5°F).Humidity
With an average relative humidity of 85%, December is the most humid month in Optevoz, France.Rainfall
In Optevoz, in December, during 12.5 rainfall days, 48mm (1.89") of precipitation is typically accumulated. Throughout the year, there are 164.3 rainfall days, and 575mm (22.64") of precipitation is accumulated.Snowfall
January through March, October through December are months with snowfall in Optevoz, France. In Optevoz, in December, snow falls for 3.7 days, with typically accumulated 34mm (1.34") of snow. In Optevoz, France, during the entire year, snow falls for 17.1 days and aggregates up to 147mm (5.79") of snow.Daylight
December has the shortest days of the year in Optevoz, with an average of 8h and 42min of daylight.On the first day of December in Optevoz, France, sunrise is at 07:59 and sunset at 16:56. On the last day of the month, sunrise is at 08:19 and sunset at 17:04 CET.
Sunshine
In Optevoz, France, the average sunshine in December is 4.7h.UV index
The months with the lowest UV index in Optevoz, France, are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Optevoz, France
- Average high temperature in December: 6.6°C
The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in December: 1.4°C
The months with the highest average low temperature are July and August (14.6°C).
The coldest month (with the lowest average low temperature) is January (0.1°C).
Average pressure in December
Optevoz, France
- Average pressure in December: 1021.2mbar
The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in December
Optevoz, France
- Average wind speed in December: 10.5km/h
The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest months (with the lowest average wind speed) are August and September (8.4km/h).
Average humidity in December
Optevoz, France
- Average humidity in December: 85%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is August (71%).
Average rainfall in December
Optevoz, France
- Average rainfall in December: 48mm
The wettest month (with the highest rainfall) is November (65mm).
The driest month (with the least rainfall) is February (32mm).
Average rainfall days in December
Optevoz, France
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in December
Optevoz, France
- Average snowfall in December: 34mm
The month with the highest snowfall is February (41mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Optevoz, France
- Average snowfall days in December: 3.7 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are April, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Optevoz, France
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 4h and 42min
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 36min).
Average sunshine days in December
Optevoz, France
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in December
Optevoz, France
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Optevoz, France
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Optevoz, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September and November (9km).
The months with the lowest visibility are January, October and December (8km).
