Heppenheim Historic Weather Records

Analyse hottest, coldest, windiest & wettest days

Heppenheim Weather Trend Graph


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

Yearly Summary 2026


41°C
Highest Temp
27 Jun. 26

-7°C
Lowest Temp
7 Jan. 26


Seasonal Breakdown

Hottest MonthAugust32.08°C

Coldest MonthJanuary-1.01°C

Wettest MonthFebruary2.92mm

Windiest MonthJuly17.05km/h

Frequently Asked Questions


1. What is the hottest month in Heppenheim historically?

August is historically Heppenheim's hottest month, with average maximum temperatures around 26°C. During peak heatwave events, the highest recorded temperatures have reached 41°C on 2026-06-27.

2. What is the coldest month in Heppenheim historically?

January is Heppenheim's coldest month, with average minimum temperatures around 0°C. The all-time record low of -15°C was recorded on 2010-12-26.

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

Heppenheim's average annual rainfall is approximately 759.1mm, based on records spanning 17 years.

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

Heppenheim historically records approximately 199.1 rainy days per year. May has the highest number of rain days at an average of 18.4 days.

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

The all-time highest temperature recorded in Heppenheim is 41°C on 2026-06-27.

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

The all-time lowest temperature recorded in Heppenheim is -15°C on 2010-12-26.

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

Heppenheim experiences its strongest winds during February. The historic gust record of 51.1 kph was recorded on 2017-01-13.

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

Usually, Heppenheim's humidity peaks in December at around 84.4% and drops to its lowest in July at approximately 65.3%.