August weather forecastDortmund, Germany
August
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. The longer daylight hours start to shorten, foretelling the transition into the autumn season. August, therefore, combines the best of summer warmth while introducing signs of new change.Temperature
With average high temperatures of 23.6°C (74.5°F) and lows of 14.5°C (58.1°F), August is the warmest month.Humidity
With an average relative humidity of 70%, August is the least humid month.Rainfall
In Dortmund, in August, during 18.9 rainfall days, 57mm (2.24") of precipitation is typically accumulated. In Dortmund, Germany, during the entire year, the rain falls for 199.5 days and collects up to 608mm (23.94") of precipitation.Snowfall
May through October are months without snowfall in Dortmund, Germany.Daylight
In Dortmund, the average length of the day in August is 14h and 33min.On the first day of August, sunrise is at 05:54 and sunset at 21:18. On the last day of the month, sunrise is at 06:42 and sunset at 20:18 CEST.
Sunshine
August has the most sunshine of the year, with an average of 9.3h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 5 during August leads to these advisories:
Undertake protective steps - Recommendations to avoid sunburn are issued. To protect against the Sun's most potent rays, avoid direct exposure around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dortmund, Germany
- Average high temperature in August: 23.6°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 August: 14.5°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 August
Dortmund, Germany
- Average pressure in August: 1015.7mbar
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 August
Dortmund, Germany
- Average wind speed in August: 10.5km/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 August
Dortmund, Germany
- Average humidity in August: 70%
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 August
Dortmund, Germany
- Average rainfall in August: 57mm
The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in August
Dortmund, Germany
- Average rainfall days in August: 18.9 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 August
Dortmund, Germany
- Average snowfall in August: 0mm
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 August
Dortmund, Germany
- Average snowfall days in August: 0 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 August /
Average sunshine in August
Dortmund, Germany
- Average daylight in August: 14h and 36min
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 August: 9h and 18min
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 August
Dortmund, Germany
- Average sunshine days in August: 9.7 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 August
Dortmund, Germany
- Average UV index in August: 5
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 August
Dortmund, Germany
- Average cloud cover in August: 40
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 August
Dortmund, Germany
- Average visibility in August: 9km
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).








