December weather forecastAltenholz, Germany
December
Weather in December
The first month of the winter, December, is also a wintry month in Altenholz, Germany, with an average temperature varying between 4.3°C (39.7°F) and 1°C (33.8°F).Temperature
The arrival of December is marked by a minor reduction in average high-temperature, sliding from a chilly 7.7°C (45.9°F) in November to a wintry 4.3°C (39.7°F). Maintaining close parity with daytime warmth, the average nocturnal temperature in Altenholz during December stays at a still icy 1°C (33.8°F).Humidity
With an average relative humidity of 90%, December is the most humid month in Altenholz.Rainfall
In Altenholz, during December, the rain falls for 10.8 days and regularly aggregates up to 19mm (0.75") of precipitation. In Altenholz, during the entire year, the rain falls for 135.4 days and collects up to 234mm (9.21") of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, in Altenholz, it is snowing for 4.5 days. Throughout December, 19mm (0.75") of snow is accumulated. In Altenholz, during the entire year, snow falls for 21.2 days and aggregates up to 75mm (2.95") of snow.Daylight
December has the shortest days of the year in Altenholz, with an average of 7h and 24min of daylight.On the first day of December in Altenholz, sunrise is at 08:17 and sunset at 15:59. On the last day of the month, sunrise is at 08:40 and sunset at 16:04 CET.
Sunshine
With an average of 3h of sunshine, December has the least sunshine of the year in Altenholz.UV index
In Altenholz, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Altenholz, Germany
- Average high temperature in December: 4.3°C
The warmest month (with the highest average high temperature) is August (21.8°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in December: 1°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).
Average pressure in December
Altenholz, Germany
- Average pressure in December: 1012.7mbar
The month with the highest atmospheric pressure is September (1016mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed in December
Altenholz, Germany
- Average wind speed in December: 18.2km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is August (12.6km/h).
Average humidity in December
Altenholz, Germany
- Average humidity in December: 90%
The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are April and August (78%).
Average rainfall in December
Altenholz, Germany
- Average rainfall in December: 19mm
The wettest month (with the highest rainfall) is July (30mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in December
Altenholz, Germany
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in December
Altenholz, Germany
- Average snowfall in December: 19mm
The month with the highest snowfall is February (24mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Altenholz, Germany
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Altenholz, Germany
- Average daylight in December: 7h and 24min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is August (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in December
Altenholz, Germany
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Altenholz, Germany
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Altenholz, Germany
- Average cloud cover in December: 71
The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are April and August (Cloud cover 43).
Average visibility in December
Altenholz, Germany
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
