December weather forecastHeiligensee, Germany
December
Weather in December
The first month of the winter, December, is also an icy month in Heiligensee, Germany, with an average temperature varying between 0.3°C (32.5°F) and 4.3°C (39.7°F).Temperature
A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a frosty 8.2°C (46.8°F) to an icy 4.3°C (39.7°F). Heiligensee experiences an average nighttime temperature of 0.3°C (32.5°F) in December, reflecting a minor difference from the day's peak.Humidity
In Heiligensee, the average relative humidity in December is 88%.Rainfall
In Heiligensee, in December, it is raining for 15.3 days, with typically 33mm (1.3") of accumulated precipitation. Throughout the year, there are 160.9 rainfall days, and 384mm (15.12") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Heiligensee, during December, snow falls for 6.3 days and regularly aggregates up to 48mm (1.89") of snow. Throughout the year, in Heiligensee, there are 27.3 snowfall days, and 165mm (6.5") of snow is accumulated.Daylight
With an average of 7h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:56 and sunset at 15:56. On the last day of December, sunrise is at 08:18 and sunset at 16:02 CET.
Sunshine
The months with the least sunshine are January and December, with an average of 3.2h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 2 in December transforms into the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Experience reduced UV exposure by about half when donning a wide-brim hat. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Heiligensee, Germany
- Average high temperature in December: 4.3°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in December: 0.3°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).
Average pressure in December
Heiligensee, Germany
- Average pressure in December: 1015.2mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in December
Heiligensee, Germany
- Average wind speed in December: 14.5km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in December
Heiligensee, Germany
- Average humidity in December: 88%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Heiligensee, Germany
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Heiligensee, Germany
- Average rainfall days in December: 15.3 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (10.2 days).
Average snowfall in December
Heiligensee, Germany
- Average snowfall in December: 48mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Heiligensee, Germany
- Average snowfall days in December: 6.3 days
The month with the highest number of snowfall days is January (9.3 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
Heiligensee, Germany
- Average daylight in December: 7h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).
Average sunshine days in December
Heiligensee, Germany
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is April (16.3 days).
The month with the least sunshine days is December (9.7 days).
Average UV index in December
Heiligensee, Germany
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Heiligensee, Germany
- Average cloud cover in December: 68
The months with the most cloud cover are January and December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Heiligensee, Germany
- Average visibility in December: 8km
The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (7km).
