Heidelberg Weather and Climate: A Comprehensive Guide
The temperature in Heidelberg can vary quite a bit throughout the year.
Temperatures can be warm during the warmest months,
and cold during the cooler months.
It receives mid-range precipitation levels.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
Visitors to Heidelberg can expect significant temperature changes throughout the year. Average daytime temperatures range from a comfortable 26°C in July, the warmest time of the year, to a chilly 5°C during cooler months like January. At night, temperatures typically average around -1°C during these months.
The mean minimum and maximum temperatures throughout the year
Check out our detailed temperature page for more information.
Precipitation and rainy days
Generally, Heidelberg experiences moderate precipitation patterns, averaging 890 mm yearly. While rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 95 mm of precipitation, spread over 15 rainy days. In contrast, April experiences a drier climate, with about 57 mm of rainfall spread across 15 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
For more details, please visit our Heidelberg Precipitation page.
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Heidelberg. While July receives considerable daily sunshine with up to 7.9 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.5 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
partly cloudy and small chance of slight rain overcast and heavy rain partly cloudy and chance of slight rainForecast for Heidelberg
4 m/s
5 m/s
4 m/s
The best time of year to visit Heidelberg in Germany
During the months of May, June, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
July has an average maximum temperature of 26°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 5°C.
December tops the wettest month list with 95 mm of rainfall.
April is the driest month with 57 mm of precipitation.
July is the sunniest month with an average of 237 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
