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Dortmund Weather by Month
Average temperatures, rainfall and humidity for Dortmund, Germany, month by month, built from OpenWeather’s historical records. Use it to see what a typical Dortmund month looks like before you travel — then check the live Dortmund forecast for the days ahead.
Warmest month
July
25°C average high
Coolest month
January
2°C average low
Wettest month
December
85 mm of rain
Driest month
April
49 mm of rain
Average temperature and rainfall in Dortmund by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 6°C | 2°C | -9°C / 17°C | 83 mm | 84% | 16 km/h |
| February | 8°C | 2°C | -13°C / 20°C | 53 mm | 78% | 16 km/h |
| March | 11°C | 3°C | -9°C / 25°C | 58 mm | 71% | 15 km/h |
| April | 15°C | 6°C | -5°C / 28°C | 49 mm | 68% | 13 km/h |
| May | 19°C | 9°C | 0°C / 33°C | 55 mm | 69% | 11 km/h |
| June | 23°C | 14°C | 6°C / 39°C | 56 mm | 68% | 11 km/h |
| July | 25°C | 15°C | 7°C / 40°C | 58 mm | 68% | 11 km/h |
| August | 25°C | 15°C | 7°C / 37°C | 58 mm | 69% | 11 km/h |
| September | 21°C | 12°C | 2°C / 33°C | 71 mm | 75% | 11 km/h |
| October | 15°C | 9°C | -3°C / 27°C | 77 mm | 80% | 13 km/h |
| November | 10°C | 5°C | -6°C / 21°C | 71 mm | 83% | 14 km/h |
| December | 7°C | 3°C | -9°C / 18°C | 85 mm | 84% | 16 km/h |
Best time to visit Dortmund
The most comfortable time to visit Dortmund is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around December, totalling about 774 mm a year.
Travellers who prefer heat should aim for July, when highs average 25°C. December is the month to avoid if rain would spoil your plans — it averages 85 mm, roughly 2× the rainfall of the driest month (April).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Dortmund forecast for what is happening now.
Weather across Germany right now
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