December weather forecastGrandval, France
December weather for Grandval, France: With an average of 8h and 48min of daylight, December has the shortest days of the year in Grandval, France. January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Grandval, France.
December
Weather in December
December, the first month of the winter in Grandval, is also a frosty month, with temperature in the range of an average low of 0.8°C (33.4°F) and an average high of 6.7°C (44.1°F).Temperature
Grandval's progression into December involves a minor drop in the average high-temperature, slightly receding from a cool 10°C (50°F) in November to a chilly 6.7°C (44.1°F). Grandval records an average low of 0.8°C (33.4°F) throughout the nights in December.Humidity
In December, the average relative humidity is 84%.Rainfall
In Grandval, during December, the rain falls for 13.3 days and regularly aggregates up to 30mm (1.18") of precipitation. Throughout the year, there are 178.9 rainfall days, and 492mm (19.37") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Grandval. In December, it is snowing for 3.6 days. Throughout December, 20mm (0.79") of snow is accumulated. In Grandval, during the entire year, snow falls for 21.5 days and aggregates up to 145mm (5.71") of snow.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 08:05 and sunset at 17:03. On the last day of December, in Grandval, France, sunrise is at 08:25 and sunset at 17:11 CET.
Sunshine
The average sunshine in December in Grandval, France, is 5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Grandval, France. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grandval, France
- Average high temperature in December: 6.7°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (5.1°C).
- Average low temperature in December: 0.8°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is February (-1.2°C).
Average pressure in December
Grandval, France
- Average pressure in December: 1021.3mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).
Average wind speed in December
Grandval, France
- Average wind speed in December: 11.2km/h
The windiest month (with the highest average wind speed) is February (11.9km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).
Average humidity in December
Grandval, France
- Average humidity in December: 84%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (73%).
Average rainfall in December
Grandval, France
- Average rainfall in December: 30mm
The wettest month (with the highest rainfall) is June (67mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in December
Grandval, France
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is October (11.2 days).
Average snowfall in December
Grandval, France
- Average snowfall in December: 20mm
The month with the highest snowfall is February (43mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Grandval, France
- Average snowfall days in December: 3.6 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grandval, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Grandval, France
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is May (8 days).
Average UV index in December
Grandval, 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
Grandval, France
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Grandval, France
- Average visibility in December: 8km
The months with the highest visibility are March and August (9km).
The months with the lowest visibility are January, February, April, May, June, July, September, October, November and December (8km).
