Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
During the shift to December in Dortmund, a minor reduction in average high-temperature is observed, shifting from a frosty 8.9°C (48°F) in November to a wintry 5.3°C (41.5°F). Dortmund maintains a near steady average temperature of 1.6°C (34.9°F) during the nights of December, demonstrating little drop from daytime highs.Humidity
The months with the highest humidity in Dortmund are January and December, with an average relative humidity of 87%.Rainfall
December is the month with the most rainfall. Rain falls for 17.5 days and accumulates 71mm (2.8") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In December, in Dortmund, it is snowing for 6 days. Throughout December, 62mm (2.44") of snow is accumulated. Throughout the year, in Dortmund, there are 26.3 snowfall days, and 226mm (8.9") of snow is accumulated.Daylight
With an average of 7h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:14 and sunset at 16:24. On the last day of December, in Dortmund, Germany, sunrise is at 08:35 and sunset at 16:31 CET.
Sunshine
With an average of 3.4h of sunshine, December has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Dortmund. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
How cold is it in Dortmund in December?
What are the most humid months in Dortmund?
What is the average humidity in December in Dortmund?
What is the rainiest month in Dortmund?
How many days does it rain in December in Dortmund?
How many days does it snow in December in Dortmund?
What is the month with the shortest days in Dortmund?
How many hours of daylight does Dortmund have in December?
When are sunrise and sunset in December in Dortmund?
What is the month with the least sunshine in Dortmund?
How long on average sun shines in December in Dortmund?
What are the months with the lowest UV index in Dortmund?
How high is the UV index in December in Dortmund?
Average temperature in December
Dortmund, Germany
- Average high temperature in December: 5.3°C
The warmest month (with the highest average high temperature) is August (23.6°C).
The month with the lowest average high temperature is January (3.9°C).
- Average low temperature in December: 1.6°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is January (0.1°C).
Average pressure in December
Dortmund, Germany
- Average pressure in December: 1016.2mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in December
Dortmund, Germany
- Average wind speed in December: 16km/h
The windiest month (with the highest average wind speed) is December (16km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).
Average humidity in December
Dortmund, Germany
- Average humidity in December: 87%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Dortmund, Germany
- Average rainfall in December: 71mm
The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in December
Dortmund, Germany
- Average rainfall days in December: 17.5 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is February (14.3 days).
Average snowfall in December
Dortmund, Germany
- Average snowfall in December: 62mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Dortmund, Germany
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is January (7.9 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
Dortmund, Germany
- Average daylight in December: 7h and 5min
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 2min
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 24min).
Average sunshine days in December
Dortmund, Germany
- Average sunshine days in December: 7.7 days
The month with the most sunshine days is October (12.8 days).
The month with the least sunshine days is December (7.7 days).
Average UV index in December
Dortmund, 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
Dortmund, Germany
- Average cloud cover in December: 67
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Dortmund, Germany
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, February, October, November and December (8km).
Dortmund, Germany
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