Mild
Average highs are around 23°C, so days are mild rather than hot.
Weather Guide
Heidelberg, Baden-Wurttemberg, Germany Average Monthly Weather
Weather score35Poor annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 13°C, sunshine averages 4.4h per day, and rainfall totals about 722mm.
Annual weather
Annual averages
Temp
13°C
Rain
722mm
Annual total
Sun
4.4h
Weather score
35
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 77mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.8h per day, enough for a balanced month.
Map
Weather map
Compare Heidelberg, Baden-Wurttemberg, Germany with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August23°C average high
August is one of Heidelberg's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August77mm average rain
August is wetter than Heidelberg's yearly average, so flexible plans matter more.
Driest monthsJanuary to May and July to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August6.8 hours average sun
August is brighter than Heidelberg's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
August56 weather score
August is one of Heidelberg's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
