December weather forecastHoltsee, Germany
December
Weather in December
December, the first month of the winter in Holtsee, is still a cold month, with temperature in the range of an average high of 4.6°C (40.3°F) and an average low of 1.5°C (34.7°F).Temperature
Holtsee records a mild change in average high-temperature during December, easing from a frosty 8°C (46.4°F) in November to a cold 4.6°C (40.3°F). Throughout December, Holtsee's nights experience a slight temperature dip to a still wintry 1.5°C (34.7°F).Humidity
The most humid month is December, with an average relative humidity of 90%.Rainfall
In Holtsee, Germany, during December, the rain falls for 11.7 days and regularly aggregates up to 18mm (0.71") of precipitation. Throughout the year, in Holtsee, there are 134.7 rainfall days, and 221mm (8.7") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Holtsee. In Holtsee, during December, snow falls for 4.3 days and regularly aggregates up to 18mm (0.71") of snow. In Holtsee, during the entire year, snow falls for 20.3 days and aggregates up to 61mm (2.4") of snow.Daylight
December has the shortest days of the year in Holtsee, with an average of 7h and 24min of daylight.On the first day of December, sunrise is at 08:18 and sunset at 16:00. On the last day of the month, sunrise is at 08:41 and sunset at 16:05 CET.
Sunshine
The months with the least sunshine in Holtsee are January, February and December, with an average of 3.3h of sunshine.UV index
In Holtsee, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 suggests these recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Frequently asked questions
Average temperature in December
Holtsee, Germany
- Average high temperature in December: 4.6°C
The warmest months (with the highest average high temperature) are July and August (21.4°C).
The month with the lowest average high temperature is January (3°C).
- Average low temperature in December: 1.5°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is February (-0.5°C).
Average pressure in December
Holtsee, Germany
- Average pressure in December: 1012.3mbar
The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).
Average wind speed in December
Holtsee, Germany
- Average wind speed in December: 18.5km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is August (12.7km/h).
Average humidity in December
Holtsee, Germany
- Average humidity in December: 90%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is April (78%).
Average rainfall in December
Holtsee, Germany
- Average rainfall in December: 18mm
The wettest month (with the highest rainfall) is July (26mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in December
Holtsee, Germany
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in December
Holtsee, Germany
- Average snowfall in December: 18mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Holtsee, Germany
- Average snowfall days in December: 4.3 days
The month with the highest number of snowfall days is February (6.2 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
Holtsee, 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 18min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 18min).
Average sunshine days in December
Holtsee, Germany
- Average sunshine days in December: 13.2 days
The month with the most sunshine days is October (17 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in December
Holtsee, 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
Holtsee, Germany
- Average cloud cover in December: 70
The month with the most cloud cover is December (Cloud cover 70).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in December
Holtsee, Germany
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).





