December weather forecastAltenau, Germany
December
Weather in December
The first month of the winter, December, is still a cold month in Altenau, Germany, with temperature in the range of an average low of 0°C (32°F) and an average high of 4°C (39.2°F).Temperature
Start of December brings a slight shift in the average high-temperature, dipping a bit from November's chilly 7.4°C (45.3°F) to an icy 4°C (39.2°F). Altenau's nights in December maintain a consistent average of 0°C (32°F), demonstrating a minimal differential from its daytime temperature.Humidity
In Altenau, the average relative humidity in December is 88%.Rainfall
In Altenau, during December, the rain falls for 14 days and regularly aggregates up to 49mm (1.93") of precipitation. Throughout the year, in Altenau, there are 169.6 rainfall days, and 463mm (18.23") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Altenau, in December, during 8.5 snowfall days, 84mm (3.31") of snow is typically accumulated. Throughout the year, in Altenau, there are 41.5 snowfall days, and 347mm (13.66") of snow is accumulated.Daylight
With an average of 7h and 54min of daylight, December has the shortest days of the year in Altenau, Germany.On the first day of the month, sunrise is at 08:03 and sunset at 16:11. On the last day of December, sunrise is at 08:25 and sunset at 16:17 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.4h of sunshine.UV index
The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Altenau, Germany
- Average high temperature in December: 4°C
The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (2.1°C).
- Average low temperature in December: 0°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-2.1°C).
Average pressure in December
Altenau, Germany
- Average pressure in December: 1015.9mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in December
Altenau, Germany
- Average wind speed in December: 14.8km/h
The windiest month (with the highest average wind speed) is December (14.8km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in December
Altenau, Germany
- Average humidity in December: 88%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Altenau, Germany
- Average rainfall in December: 49mm
The wettest month (with the highest rainfall) is June (54mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in December
Altenau, Germany
- Average rainfall days in December: 14 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is February (10.4 days).
Average snowfall in December
Altenau, Germany
- Average snowfall in December: 84mm
The month with the highest snowfall is January (99mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Altenau, Germany
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Altenau, Germany
- Average daylight in December: 7h and 54min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Altenau, Germany
- Average sunshine days in December: 9.4 days
The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is December (9.4 days).
Average UV index in December
Altenau, Germany
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Altenau, Germany
- Average cloud cover in December: 67
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Altenau, Germany
- Average visibility in December: 8km
The months with the highest visibility are April, June, July, August and September (9km).
The months with the lowest visibility are January and February (7km).
