Weather in Dortmund in August 2025
- August is usually the hottest month of the year in Dortmund;
Average weather
Average temperature in Dortmund in August
The expected average maximum temperature in August is +73°F with a maximum of +84°F and a minimum of +52°F.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +68°F to +68°F.
Is Dortmund warm or cold in August?
Dortmund is typically warm in August.
Maximum temperatures go up compared to the previous month from +73°F to +73°F. The minimum temperature also goes up from +57°F to +57°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is the hottest month in Dortmund, here is the comparison with other months:
Climate in Dortmund in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +73°F | +73°F | +66°F | ||||
| Min. temperature | ||||||
| +43°F | +43°F | +36°F | ||||
| Max. temperature | ||||||
| +104°F | +97°F | +93°F | ||||
| Rainfall | ||||||
| 90 mm | 84 mm | 76 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 3 m/s | ||||
| Humidity | ||||||
| 71% | 72% | 78% | ||||
| Air pressure | ||||||
| 1015 HPa | 1014 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 5 | 6 | 6 | ||||
| Cloudy days | ||||||
| 5 | 5 | 6 | ||||
| Rainy days | ||||||
| 19 | 19 | 18 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as good as in July. The temperature levels stay the same in the area of +73°F for average maximum temperature during the day. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 90 mm to 84 mm. Humidity rises from 71% to 72%. The average wind speed doesn’t change much during August, staying around 2 m/s. The good news is there are likely to be more sunny days in August, from 5 to 6.
Next month (September) brings a further decline in the weather.
Wind
The average wind speed is 3 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Dortmund is gradually increasing during August, going from 4 m/s to 4 m/s over the course of the month.
Rain
How was the weather last August in Dortmund?
Climate Change Over the Years
The climate in Dortmund in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1985 (+52°F) and the highest in 2022 (+61°F). The driest year was 2018 with only 627 mm of rainfall, and the wettest year was 2023 with 1615 mm.
FAQ
Is August a good time to visit Dortmund?
Can you sunbathe in Dortmund in August?
Is Dortmund rainy in August?
Is it sunny in Dortmund in August?
Other cities in Germany
Monthly weather in Dortmund
Source of the data
For this page, we’ve looked at the typical weather in Dortmund, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.