December weather forecastCalau, Germany
December
Weather in December
The first month of the winter, December, is also an icy month in Calau, Germany, with temperature in the range of an average high of 4.3°C (39.7°F) and an average low of -0.1°C (31.8°F).Temperature
A mild shift in the average high-temperature occurs in December, reducing from a chilly 8.5°C (47.3°F) in November to a wintry 4.3°C (39.7°F). An average low-temperature of -0.1°C (31.8°F) characterizes Calau's December nights.Humidity
In Calau, Germany, the average relative humidity in December is 87%.Rainfall
In Calau, in December, it is raining for 12.2 days, with typically 28mm (1.1") of accumulated precipitation. Throughout the year, in Calau, there are 146.8 rainfall days, and 326mm (12.83") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Calau, during December, snow falls for 5.7 days and regularly aggregates up to 44mm (1.73") of snow. In Calau, during the entire year, snow falls for 29.7 days and aggregates up to 196mm (7.72") of snow.Daylight
December has the shortest days of the year, with an average of 7h and 54min of daylight.On the first day of the month, sunrise is at 07:49 and sunset at 15:57. On the last day of December, sunrise is at 08:10 and sunset at 16:03 CET.
Sunshine
In Calau, Germany, the average sunshine in December is 3.8h.UV index
The months with the lowest UV index in Calau are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Calau, Germany
- Average high temperature in December: 4.3°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in December: -0.1°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-2.1°C).
Average pressure in December
Calau, Germany
- Average pressure in December: 1016.4mbar
The month with the highest atmospheric pressure is October (1017.5mbar).
The month with the lowest atmospheric pressure is November (1014.4mbar).
Average wind speed in December
Calau, Germany
- Average wind speed in December: 15.6km/h
The windiest month (with the highest average wind speed) is December (15.6km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in December
Calau, Germany
- Average humidity in December: 87%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Calau, Germany
- Average rainfall in December: 28mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in December
Calau, Germany
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in December
Calau, Germany
- Average snowfall in December: 44mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Calau, Germany
- Average snowfall days in December: 5.7 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Calau, 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 48min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Calau, Germany
- Average sunshine days in December: 12.2 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is December (12.2 days).
Average UV index in December
Calau, Germany
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Calau, Germany
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Calau, Germany
- Average visibility in December: 8km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February and December (8km).





