Best Time to Visit Heilbronn
Best time: Aug, Jul, Jun, Sep.
Jul is warmest (24.7°C high); Jun is rainiest (82 mm).
Heilbronn weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 4.2 | -1.2 | 54 | 1.4 |
| Feb | 5.9 | -1.1 | 52 | 2.6 |
| Mar | 10.5 | 1.8 | 54 | 4.3 |
| Apr | 14.8 | 4.2 | 49 | 6.4 |
| May | 19.9 | 8.7 | 81 | 8.1 |
| Jun | 22.5 | 11.8 | 82 | 8.6 |
| Jul | 24.7 | 13.7 | 77 | 8.6 |
| Aug | 24.5 | 13.1 | 61 | 7.5 |
| Sep | 19.9 | 9.5 | 60 | 5.3 |
| Oct | 14.1 | 5.6 | 64 | 3.1 |
| Nov | 8.2 | 1.9 | 63 | 1.7 |
| Dec | 5.1 | 0 | 67 | 1.1 |
Average high temperature
Best months by activity
Overall: AugJulJunSep
Beaches: AugJul
Hiking: AprAugSepJul
Sightseeing: AugJulJunSep
Heilbronn quick facts
What to pack
Cold months (Jan, Feb, Mar, Nov, Dec): warm layers and a coat.
Frequently asked questions
When is the best time to visit Heilbronn?
Aug, Jul, Jun, Sep.
What is the rainiest month?
Jun, about 82 mm.
What is the warmest month?
Jul, with average highs of 24.7°C.
Where to stay
See Heilbronn hotels · Book Heilbronn tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.