December weather forecastUnna, Germany
December
Weather in December
The first month of the winter, December, is also an icy month in Unna, Germany, with temperature in the range of an average low of 1.5°C (34.7°F) and an average high of 5.3°C (41.5°F).Temperature
During the shift to December, Unna records a mild decrease in average high-temperature, moving from a frosty 9°C (48.2°F) in November to a cold 5.3°C (41.5°F). Unna's nighttime temperature in December experiences a slight dip from daytime highs, falling to an average of 1.5°C (34.7°F).Humidity
The most humid month is December, with an average relative humidity of 88%.Rainfall
The month with the most rainfall in Unna is December, when the rain falls for 10.3 days and typically aggregates up to 15mm (0.59") of precipitation.Snowfall
Months with snowfall in Unna are January through March, November and December. In December, in Unna, it is snowing for 3.5 days. Throughout December, 10mm (0.39") of snow is accumulated. Throughout the year, there are 15.2 snowfall days, and 38mm (1.5") of snow is accumulated.Daylight
December has the shortest days of the year in Unna, with an average of 7h and 54min of daylight.On the first day of the month, sunrise is at 08:13 and sunset at 16:23. On the last day of December, in Unna, sunrise is at 08:34 and sunset at 16:29 CET.
Sunshine
January and December, with an average of 3.6h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Unna, Germany
- Average high temperature in December: 5.3°C
The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (4°C).
- Average low temperature in December: 1.5°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (0.1°C).
Average pressure in December
Unna, Germany
- Average pressure in December: 1016mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in December
Unna, Germany
- Average wind speed in December: 16.4km/h
The windiest month (with the highest average wind speed) is December (16.4km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in December
Unna, Germany
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (71%).
Average rainfall in December
Unna, Germany
- Average rainfall in December: 15mm
The wettest month (with the highest rainfall) is December (15mm).
The driest month (with the least rainfall) is September (8mm).
Average rainfall days in December
Unna, Germany
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is July (11.1 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in December
Unna, Germany
- Average snowfall in December: 10mm
The months with the highest snowfall are January and February (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Unna, Germany
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (4.8 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
Unna, 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 36min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The months with the least sunshine are January and December (Average sunshine: 3h and 36min).
Average sunshine days in December
Unna, Germany
- Average sunshine days in December: 15 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is December (15 days).
Average UV index in December
Unna, 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
Unna, Germany
- Average cloud cover in December: 66
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Unna, Germany
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is December (8km).
