Dortmund Historic Weather Records

Analyse hottest, coldest, windiest & wettest days

Dortmund Weather Trend Graph


Temperature (°C)
.
Months
Max Temp.
Historic Max Temp.
Min Temp.
Historic Min Temp.

Yearly Summary 2026


39°C
Highest Temp
27 Jun. 26

-5°C
Lowest Temp
11 Jan. 26


Seasonal Breakdown

Hottest MonthAugust30.26°C

Coldest MonthJanuary0.46°C

Wettest MonthMay3.66mm

Windiest MonthJuly18.79km/h

Frequently Asked Questions


1. What is the hottest month in Dortmund historically?

August is historically Dortmund's hottest month, with average maximum temperatures around 24°C. During peak heatwave events, the highest recorded temperatures have reached 39°C on 2026-06-27.

2. What is the coldest month in Dortmund historically?

January is Dortmund's coldest month, with average minimum temperatures around 1°C. The all-time record low of -17°C was recorded on 2021-02-10.

3. What is the average annual rainfall in Dortmund over the past 17 years?

Dortmund's average annual rainfall is approximately 910.2mm, based on records spanning 17 years.

4. How many rainy days does Dortmund experience on average per year?

Dortmund historically records approximately 227.1 rainy days per year. December has the highest number of rain days at an average of 21.6 days.

5. What is the all-time highest temperature ever recorded in Dortmund?

The all-time highest temperature recorded in Dortmund is 39°C on 2026-06-27.

6. What is the all-time lowest temperature ever recorded in Dortmund?

The all-time lowest temperature recorded in Dortmund is -17°C on 2021-02-10.

7. What is the windiest time of year in Dortmund historically?

Dortmund experiences its strongest winds during December. The historic gust record of 53.9 kph was recorded on 2015-07-25.

8. What is the highest and lowest humidity in Dortmund during a year?

Usually, Dortmund's humidity peaks in January at around 84.7% and drops to its lowest in August at approximately 66.001%.