Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Dortmund's coldest temperatures are experienced in January, with average high temperatures of 3.9°C (39°F) and lows of 0.1°C (32.2°F).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 87%.Rainfall
In Dortmund, Germany, during January, the rain falls for 15.7 days and regularly aggregates up to 56mm (2.2") of precipitation. In Dortmund, during the entire year, the rain falls for 199.5 days and collects up to 608mm (23.94") of precipitation.Snowfall
Months with snowfall in Dortmund are January through April, November and December. The month with the most snowfall is January, when snow falls for 7.9 days and typically aggregates up to 71mm (2.8") of snow.Daylight
The average length of the day in January is 8h and 27min.On the first day of the month, sunrise is at 08:35 and sunset at 16:31. On the last day of January, in Dortmund, Germany, sunrise is at 08:10 and sunset at 17:16 CET.
Sunshine
The average sunshine in January is 3.5h.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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Dortmund?
How cold is January in Dortmund?
What are the most humid months in Dortmund?
What is the average humidity in January in Dortmund?
How many days does it rain in January in Dortmund?
What is the snowiest month in Dortmund?
How much does it snow in Dortmund in January?
How many hours of daylight does Dortmund have in January?
When are sunrise and sunset in January in Dortmund?
How long on average sun shines in January in Dortmund?
What is the month with the lowest UV index in Dortmund?
How high is the UV index in January in Dortmund?
Average temperature in January
Dortmund, Germany
- Average high temperature in January: 3.9°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 January: 0.1°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 January
Dortmund, Germany
- Average pressure in January: 1016.1mbar
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 January
Dortmund, Germany
- Average wind speed in January: 15.2km/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 January
Dortmund, Germany
- Average humidity in January: 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 January
Dortmund, Germany
- Average rainfall in January: 56mm
The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in January
Dortmund, Germany
- Average rainfall days in January: 15.7 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 January
Dortmund, Germany
- Average snowfall in January: 71mm
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 January
Dortmund, Germany
- Average snowfall days in January: 7.9 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 January /
Average sunshine in January
Dortmund, Germany
- Average daylight in January: 8h and 2min
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 January: 3h and 3min
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 January
Dortmund, Germany
- Average sunshine days in January: 8.7 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 January
Dortmund, Germany
- Average UV index in January: 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 January
Dortmund, Germany
- Average cloud cover in January: 64
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 January
Dortmund, Germany
- Average visibility in January: 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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