December weather forecastAltenwerder, Germany
December
Weather in December
December, the first month of the winter in Altenwerder, is also an icy month, with an average temperature ranging between min 1.2°C (34.2°F) and max 4.4°C (39.9°F).Temperature
The start of December signals a gentle decrease in the average high-temperature, transitioning from a frosty 7.9°C (46.2°F) in November to an icy 4.4°C (39.9°F). During December, Altenwerder's nights hold steady with an average temperature of 1.2°C (34.2°F), barely dropping from the daytime highs.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 89%.Rainfall
In December, in Altenwerder, the rain falls for 16.1 days. Throughout December, 37mm (1.46") of precipitation is accumulated. In Altenwerder, during the entire year, the rain falls for 182.3 days and collects up to 438mm (17.24") of precipitation.Snowfall
Months with snowfall in Altenwerder are January through April, November and December. In December, in Altenwerder, it is snowing for 4.5 days. Throughout December, 35mm (1.38") of snow is accumulated. Throughout the year, there are 21.8 snowfall days, and 133mm (5.24") of snow is accumulated.Daylight
The month with the shortest days in Altenwerder is December, with an average of 7h and 36min of daylight.On the first day of December, sunrise is at 08:14 and sunset at 16:05. On the last day of the month, sunrise is at 08:36 and sunset at 16:10 CET.
Sunshine
With an average of 3.1h of sunshine, December has the least sunshine of the year in Altenwerder.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Altenwerder. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 2 in December suggests the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Altenwerder, Germany
- Average high temperature in December: 4.4°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in December: 1.2°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 (-0.6°C).
Average pressure in December
Altenwerder, Germany
- Average pressure in December: 1013.6mbar
The month with the highest atmospheric pressure is September (1016.4mbar).
The month with the lowest atmospheric pressure is November (1012mbar).
Average wind speed in December
Altenwerder, Germany
- Average wind speed in December: 17.3km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in December
Altenwerder, Germany
- Average humidity in December: 89%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Altenwerder, Germany
- Average rainfall in December: 37mm
The wettest months (with the highest rainfall) are June and July (51mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in December
Altenwerder, Germany
- Average rainfall days in December: 16.1 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in December
Altenwerder, Germany
- Average snowfall in December: 35mm
The month with the highest snowfall is January (49mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Altenwerder, Germany
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (7.3 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
Altenwerder, Germany
- Average daylight in December: 7h and 36min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 3h and 6min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in December
Altenwerder, Germany
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is October (14.4 days).
The month with the least sunshine days is June (8.9 days).
Average UV index in December
Altenwerder, Germany
- 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, November and December (UV index 2).
Average cloud cover in December
Altenwerder, Germany
- Average cloud cover in December: 71
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Altenwerder, Germany
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, October, November and December (8km).
