December weather forecastAltenach, France
December weather forecast for Altenach, France: In Altenach, in December, snow falls for 7.8 days, with typically accumulated 91mm (3.58") of snow. In Altenach, in December, snow falls for 7.8 days, with typically accumulated 91mm (3.58") of snow.
December
Weather in December
December, the first month of the winter in Altenach, is also an icy month, with an average temperature varying between -0.4°C (31.3°F) and 4.6°C (40.3°F).Temperature
The arrival of December corresponds with a minor reduction in the average high-temperature, down from November's frosty 8°C (46.4°F) to a cold 4.6°C (40.3°F). In Altenach, December nights experience a modest descent in temperature from daily peaks, cooling down to an average of -0.4°C (31.3°F).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 88%.Rainfall
In Altenach, in December, it is raining for 15.1 days, with typically 84mm (3.31") of accumulated precipitation. In Altenach, during the entire year, the rain falls for 189.8 days and collects up to 741mm (29.17") of precipitation.Snowfall
January through May, October through December are months with snowfall in Altenach. In Altenach, in December, snow falls for 7.8 days, with typically accumulated 91mm (3.58") of snow. Throughout the year, there are 37.1 snowfall days, and 450mm (17.72") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 07:59 and sunset at 16:42. On the last day of December, sunrise is at 08:19 and sunset at 16:49 CET.
Sunshine
With an average of 4.2h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Altenach, France
- Average high temperature in December: 4.6°C
The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (3.2°C).
- Average low temperature in December: -0.4°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).
Average pressure in December
Altenach, France
- Average pressure in December: 1020.6mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).
Average wind speed in December
Altenach, France
- Average wind speed in December: 11.9km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity in December
Altenach, France
- Average humidity in December: 88%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is April (80%).
Average rainfall in December
Altenach, France
- Average rainfall in December: 84mm
The wettest month (with the highest rainfall) is June (86mm).
The driest month (with the least rainfall) is September (36mm).
Average rainfall days in December
Altenach, France
- Average rainfall days in December: 15.1 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is February (12.4 days).
Average snowfall in December
Altenach, France
- Average snowfall in December: 91mm
The month with the highest snowfall is January (114mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Altenach, France
- Average snowfall days in December: 7.8 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Altenach, France
- Average daylight in December: 8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 4h and 12min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in December
Altenach, France
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is June (7.3 days).
Average UV index in December
Altenach, 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, October, November and December (UV index 2).
Average cloud cover in December
Altenach, France
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Altenach, France
- Average visibility in December: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
