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Contents
- The climate of Dortmund
- The best time to visit Dortmund
- The worst time to visit Dortmund
- Spring weather in Dortmund
- Summer weather in Dortmund
- Autumn weather in Dortmund
- Winter weather in Dortmund
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Dortmund
Dortmund, situated in Germany, carries the Köppen climate classification of Cfb, representative of a marine west coast climate with warm summers. Spanning monthly average temperatures from a low of 0.1°C (32.2°F) to a high of 23.6°C (74.5°F), the city undergoes significant seasonal changes. Adding to this spectrum of temperature flux, fluctuations in relative humidity range from 70% during the warmest months to 87% during the coldest months.
Rainfall accumulates considerably across the year in Dortmund, with monthly averages ranging from 31mm (1.22") in April to 71mm (2.8") in December. The city experiences distinct wet periods, with the most rain falling during the summer, culminating in 60mm (2.36") of rainfall in July. A prominent feature of Dortmund's climate includes days of snowfall, with the cold months of January and December witnessing an average snowfall of 71mm (2.8") and 62mm (2.44"), respectively.
Despite its considerable precipitation throughout the year, Dortmund experiences a varying amount of daylight. It enjoys lengthy daylight hours during the warm months ranging from June to August, with maximum daylight of 16.5 hours in June. However, the daylight hours diminish to a minimum of 7.9 hours during the month of December. These shifts in daylight hours contribute to the changes in UV index levels, which glide from 2 during the colder months to a peak of 5 during the summer period.
Rainfall accumulates considerably across the year in Dortmund, with monthly averages ranging from 31mm (1.22") in April to 71mm (2.8") in December. The city experiences distinct wet periods, with the most rain falling during the summer, culminating in 60mm (2.36") of rainfall in July. A prominent feature of Dortmund's climate includes days of snowfall, with the cold months of January and December witnessing an average snowfall of 71mm (2.8") and 62mm (2.44"), respectively.
Despite its considerable precipitation throughout the year, Dortmund experiences a varying amount of daylight. It enjoys lengthy daylight hours during the warm months ranging from June to August, with maximum daylight of 16.5 hours in June. However, the daylight hours diminish to a minimum of 7.9 hours during the month of December. These shifts in daylight hours contribute to the changes in UV index levels, which glide from 2 during the colder months to a peak of 5 during the summer period.
The best time to visit Dortmund
Tourists enjoy Dortmund's warm summer months from June to August. These months boast relatively high average temperatures, from 21.1°C (70°F) to 23.6°C (74.5°F), in addition to an exceptional number of daylight hours, reaching a high of 16.5 hours in June. The relative humidity remains tolerable ranging from 75% to 70%. Though these months encounter rainfall, the amount ranges from 50mm (1.97") to 60mm (2.36"), which doesn't significantly affect outdoor activities.
The worst time to visit Dortmund
The cold winter months from December to February are typically less popular amongst visitors due to harsh weather conditions. Average temperatures in these months flounder between 0.1°C (32.2°F) and 5.3°C (41.5°F). Additionally, these months encounter heavy snowfall, reaching an impressive 71mm (2.8") in January. The limited daylight hours, falling to a minimal 7.9 hours in December, coupled with increased humidity levels may deter tourists during this period.
Spring weather in Dortmund
Spring in Dortmund carries a mild climate from March to May, with average temperatures ranging from 2.7°C (36.9°F) to 17.7°C (63.9°F). The average rainfall is relatively moderate during these months, ranging from 31mm (1.22") in April to 56mm (2.2") in March. A marked increase in daylight hours is evident, starting from 11.9 hours in March and peaking at 15.6 hours in May.
Summer weather in Dortmund
The summer months from June to August in Dortmund are characterized by pleasant weather, with average temperatures residing between 21.1°C (70°F) and 23.6°C (74.5°F). Rainfall during these months is substantial, with July receiving the maximum amount of 60mm (2.36"). The frequency of precipitation occurrence is also higher, with July experiencing 20.1 days of rainfall. However, extended daylight hours, reaching up to 16.5 hours in June, allow for longer days of possible outdoor activities.
Autumn weather in Dortmund
Autumn in Dortmund ushers in a cooler climate, with average temperatures between 19.1°C (66.4°F) in September and 8.9°C (48°F) in November. Rainfall dips from 35mm (1.38") in September to an increment of 46mm (1.81") in October, before escalating to 47mm (1.85") in November. The daylight hours decrease gradually from 12.6 in September to 8.9 in November, and the UV index drops from 4 in September to 2 in November.
Winter weather in Dortmund
Winter presents Dortmund in a cold and snowy guise from December to February, with average temperatures meandering from 0.1°C (32.2°F) to 5.3°C (41.5°F). Snowfall may be expected, particularly during December and January with average falls of 62mm (2.44") and 71mm (2.8") respectively. The daylight hours sink to their lowest in December, at 7.9 hours, before gradually rising by February to 10 hours.
Weather in January
January in Dortmund, Germany, brings in the New Year with a mix of winter weather conditions. This month tends to have somewhat cold temperatures, ranging from 0.1°C (32.2°F) to 3.9°C (39°F), making it essential to have warm clothing and heating. Weather in January »
Weather in February
As the calendar flips to February, the city witnesses a mild increase in temperature. The weather in Dortmund typically remains cold in February, with the snowfall from January lessening but not disappearing entirely. It is a time when high humidity is notable, creating a cool and damp atmosphere. Weather in February »
Weather in March
March signals a transition from the wintry chill towards the cusp of spring. This month sees a significant rise in temperatures from the prior month, reaching 9.6°C (49.3°F) at its highest point. Dortmund in March experiences lesser snowfall, while an increased length in daylight time heralds the coming of warmer days. Weather in March »
Weather in April
April's weather in Dortmund is marked by the unmistakable signs of spring. This month sees another notable jump in the average temperature, which starts to feel decidedly warmer and more inviting. Rainfall tends to be less than previous months, giving way to increasingly clear skies. Weather in April »
Weather in May
May ushers in a notably warmer period in Dortmund with a tangible shift in the atmosphere. An average high temperature of 17.7°C (63.9°F) is expected this month. A surge of nature’s beauty can be seen during May with the city dressed in vivid hues of green and blooming flowers. Weather in May »
Weather in June
June brings consistently warmer conditions to Dortmund, marking the start of the summer season. This month showcases longer daylight hours and a considerable amount of sunshine, making it apt for outdoor exploration and activities. Weather in June »
Weather in July
July in Dortmund, with an average high temperature of 23.5°C (74.3°F), is typically the warmest month of the year. It is a month with increased daylight hours, clear skies, and ample sunshine, creating a festive summer atmosphere. Weather in July »
Weather in August
August's weather in Dortmund continues the trend of warm summer days but introduces more humidity. The summer temperatures persist, often reaching a similar high as seen in July, at 23.6°C (74.5°F). Despite the lingering warmth, signs of the imminent arrival of autumn can be observed towards the end of the month. Weather in August »
Weather in September
September brings noticeable change in Dortmund's weather, signaling the start of the autumn season. The intensity of the summer heat lessens, replaced with more moderate temperatures and shorter periods of daylight. As the tree leaves start turning into shades of red and gold, the city bathes in an array of autumn colors, creating a picturesque sight. Weather in September »
Weather in October
October sees a further dip in temperature, introducing a perceptible chill to the air in Dortmund. This month magnifies the beauty of the autumn season with the city's captivating foliage and less crowded streets. Winds start to pick up speed, reaching an average of 12.4km/h (7.7mph), adding to the nippy feel of autumn air. Weather in October »
Weather in November
November in Dortmund introduces the city to the sharp end of autumn and the oncoming winter chill. The daylight hours become noticeably shorter, and the temperature drops further, making the weather considerably colder. The final vestiges of autumn foliage give way to naked tree branches preparing for winter. Weather in November »
Weather in December
December sees Dortmund embrace the winter chill once again, with an average high-temperature dipping to 5.3°C (41.5°F). The month is marked by increased snowfall, reaching an average of 62mm (2.44"), transforming the city into a magical winter scene, just in time for the holiday season. Weather in December »
Updated: Feb 14, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Dortmund?
In Dortmund, January records the average lowest temperatures, peaking at 3.9°C (39°F) and reaching a low of 0.1°C (32.2°F).
What are the most humid months in Dortmund?
The months with the highest humidity in Dortmund are January and December, with an average relative humidity of 87%.
How many days does it rain in Dortmund?
Throughout the year, in Dortmund, Germany, there are 199.5 rainfall days, and 608mm (23.94") of precipitation is accumulated.
When does it snow in Dortmund?
January through April, November and December are months with snowfall in Dortmund.
What is the snowiest month in Dortmund?
The month with the most snowfall in Dortmund is January, when snow falls for 7.9 days and typically aggregates up to 71mm (2.8") of snow.
How many days does it snow in Dortmund?
Throughout the year, there are 26.3 snowfall days, and 226mm (8.9") of snow is accumulated.
What is the month with the lowest UV index in Dortmund?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the driest month in Dortmund?
April is the month with the least rainfall in Dortmund. Rain falls for 14.8 days and accumulates 31mm (1.22") of precipitation.
When it does not snow in Dortmund?
In Dortmund, snow does not fall in May through October.
When are the longest days in Dortmund?
With an average of 16h and 36min of daylight, June has the longest days of the year.
What is the month with the highest UV index in Dortmund?
The months with the highest UV index are June through August, with an average maximum UV index of 5.
What is the hottest time of year in Dortmund?
August stands out as Dortmund's warmest month, with an average high-temperature of 23.6°C (74.5°F) and a low-temperature of 14.5°C (58.1°F).
What is the least humid month in Dortmund?
With an average relative humidity of 70%, August is the least humid month.
What month has the most sunshine in Dortmund?
August has the most sunshine of the year, with an average of 9.3h of sunshine.
When is Daylight Saving Time (DST) in Dortmund?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
What is the rainiest month in Dortmund?
December is the month with the most rainfall in Dortmund. Rain falls for 17.5 days and accumulates 71mm (2.8") of precipitation.
What is the month with the shortest days in Dortmund?
The month with the shortest days in Dortmund, Germany, is December, with an average of 7h and 54min of daylight.
What is the month with the least sunshine in Dortmund?
With an average of 3.4h of sunshine, December has the least sunshine of the year.
Average temperature
Dortmund, Germany
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).
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
Dortmund, Germany
- Average pressure in January:
1016.1mbar - Average pressure in February:
1015.4mbar - Average pressure in March:
1016.1mbar - Average pressure in April:
1016mbar - Average pressure in May:
1016.3mbar - Average pressure in June:
1016mbar
- Average pressure in July:
1015.5mbar - Average pressure in August:
1015.7mbar - Average pressure in September:
1017.6mbar - Average pressure in October:
1016.9mbar - Average pressure in November:
1013.1mbar - 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
Dortmund, Germany
- Average wind speed in January:
15.2km/h - Average wind speed in February:
15.6km/h - Average wind speed in March:
13.9km/h - Average wind speed in April:
11.6km/h - Average wind speed in May:
11.4km/h - Average wind speed in June:
11.1km/h
- Average wind speed in July:
10.7km/h - Average wind speed in August:
10.5km/h - Average wind speed in September:
10.7km/h - Average wind speed in October:
12.4km/h - Average wind speed in November:
13.8km/h - 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
Dortmund, Germany
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall
Dortmund, Germany
The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days
Dortmund, Germany
- Average rainfall days in January:
15.7 days - Average rainfall days in February:
14.3 days - Average rainfall days in March:
15.6 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
18.4 days - Average rainfall days in June:
18.7 days
- Average rainfall days in July:
20.1 days - Average rainfall days in August:
18.9 days - Average rainfall days in September:
14.6 days - Average rainfall days in October:
15 days - Average rainfall days in November:
15.9 days - 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
Dortmund, Germany
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
Dortmund, Germany
- Average snowfall days in January:
7.9 days - Average snowfall days in February:
7.1 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.6 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
1.4 days - 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 / Average sunshine
Dortmund, Germany
- Average daylight in January:
8h and 2min - Average daylight in February:
10h and 0min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 5min - Average daylight in May:
15h and 4min - Average daylight in June:
16h and 4min
- Average daylight in July:
16h and 1min - Average daylight in August:
14h and 4min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 4min - Average daylight in November:
8h and 5min - 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 January:
3h and 3min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 4min - Average sunshine in April:
8h and 3min - Average sunshine in May:
8h and 2min - Average sunshine in June:
8h and 3min
- Average sunshine in July:
9h and 1min - Average sunshine in August:
9h and 2min - Average sunshine in September:
8h and 1min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 2min - 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
Dortmund, Germany
- Average sunshine days in January:
8.7 days - Average sunshine days in February:
8.7 days - Average sunshine days in March:
11.8 days - Average sunshine days in April:
12.2 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
8.3 days
- Average sunshine days in July:
8.6 days - Average sunshine days in August:
9.7 days - Average sunshine days in September:
11.8 days - Average sunshine days in October:
12.8 days - Average sunshine days in November:
10.4 days - 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
Dortmund, Germany
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
Dortmund, Germany
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
Dortmund, Germany
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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