December weather forecastDieffenthal, France
December
Weather in December
The first month of the winter, December, is also an icy month in Dieffenthal, France, with an average temperature fluctuating between 0.8°C (33.4°F) and 5.5°C (41.9°F).Temperature
Dieffenthal's December weather features a light decline in high-temperatures, reducing from a chilly 9.5°C (49.1°F) in November to a wintry 5.5°C (41.9°F). Dieffenthal records a mild decrease in temperature during the nights of December, averaging a still cold 0.8°C (33.4°F).Humidity
January and December, with an average relative humidity of 86%, are the most humid months.Rainfall
In December, in Dieffenthal, the rain falls for 14.3 days. Throughout December, 50mm (1.97") of precipitation is accumulated. Throughout the year, in Dieffenthal, there are 162.7 rainfall days, and 492mm (19.37") of precipitation is accumulated.Snowfall
Months with snowfall in Dieffenthal are January through March, October through December. December is the month with the most snowfall. Snow falls for 4.4 days and accumulates 40mm (1.57") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 08:00 and sunset at 16:38. On the last day of December, in Dieffenthal, sunrise is at 08:21 and sunset at 16:45 CET.
Sunshine
The average sunshine in December is 4.6h.UV index
The months with the lowest UV index in Dieffenthal are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dieffenthal, France
- Average high temperature in December: 5.5°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in December: 0.8°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).
Average pressure in December
Dieffenthal, France
- Average pressure in December: 1019.8mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is November (1015.2mbar).
Average wind speed in December
Dieffenthal, France
- Average wind speed in December: 10.7km/h
The windiest month (with the highest average wind speed) is February (11km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity in December
Dieffenthal, France
- Average humidity in December: 86%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are April, July and August (73%).
Average rainfall in December
Dieffenthal, France
- Average rainfall in December: 50mm
The wettest months (with the highest rainfall) are June and July (56mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in December
Dieffenthal, France
- Average rainfall days in December: 14.3 days
The months with the highest number of rainy days are May and July (17.1 days).
The month with the least rainy days is September (10.5 days).
Average snowfall in December
Dieffenthal, France
- Average snowfall in December: 40mm
The month with the highest snowfall is December (40mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Dieffenthal, France
- Average snowfall days in December: 4.4 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dieffenthal, France
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 4h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Dieffenthal, France
- Average sunshine days in December: 13.1 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Dieffenthal, France
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Dieffenthal, France
- Average cloud cover in December: 54
The months with the most cloud cover are January and December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Dieffenthal, France
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and December (8km).
