Heilbron Climate: Weather by Month and Best Time to Visit
Best months for Heilbron: September, August, May, June.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 27°C | 16°C | 124 mm | 15 | – | – | 6.9 |
| February | 27°C | 16°C | 87 mm | 12 | – | – | 7.4 |
| March | 26°C | 14°C | 81 mm | 11 | – | – | 7.6 |
| April | 23°C | 10°C | 43 mm | 7 | – | – | 8.2 |
| May | 21°C | 6°C | 19 mm | 3 | – | – | 8.5 |
| June | 18°C | 3°C | 10 mm | 2 | – | – | 8.3 |
| July | 18°C | 2°C | 6 mm | 1 | – | – | 8.3 |
| August | 21°C | 5°C | 15 mm | 2 | – | – | 8.6 |
| September | 25°C | 9°C | 20 mm | 3 | – | – | 8.7 |
| October | 26°C | 12°C | 76 mm | 10 | – | – | 7.8 |
| November | 26°C | 13°C | 98 mm | 12 | – | – | 7.3 |
| December | 27°C | 15°C | 139 mm | 16 | – | – | 6.6 |