The temperatures in Heidelberg in October are quite cold with temperatures between 8°C and 16°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Heidelberg during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Heidelberg in October 2025.
If you’re planning to visit Heidelberg in the near future, we highly recommend that you review the 14 day weather forecast for Heidelberg before you arrive.
Temperatures
16° / 8°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
66
mm
Sun Hours
9.5
Hrs