+49.4077° · +8.6908° · ELEV 0m
Heidelberg
Germany · Baden-Wurttemberg
Monthly weather averages for Heidelberg, Germany — temperature highs and lows, rainfall, sunshine hours by month, and the best time to visit.
№ 01
July → JanuaryClimate Overview
Heidelberg has a temperate climate. The warmest month is July (26°C average high) and the coolest is January (5°C).
№ 02
880 mm / yearRainfall by Month
Heidelberg sees 880 mm of rain a year. The wettest month is December (97 mm); the driest is April (52 mm).
№ 03
May–SeptemberBest Time to Visit
May–September
10°C – 26°C · 11.1h sun
The best time to visit Heidelberg is May–September, when temperatures average 10°C–26°C with 11.1 sunshine hours per day.
Some visitors prefer April for cooler, drier conditions.
№ 04
12 months · °C · mm · hoursMonthly Breakdown
| January | 5.4°C | 0.2°C | 89 mm | 3.6 h | 08:15 | 16:53 |
|---|---|---|---|---|---|---|
| February | 8.0°C | 0.8°C | 66 mm | 5.8 h | 07:35 | 17:43 |
| March | 11.5°C | 2.6°C | 70 mm | 7.9 h | 06:39 | 18:29 |
| April | 15.5°C | 5.6°C | 52 mm | 10.2 h | 06:33 | 20:16 |
| May | 19.2°C | 9.8°C | 79 mm | 11.2 h | 05:41 | 21:01 |
| June | 24.5°C | 14.6°C | 67 mm | 12.0 h | 05:18 | 21:32 |
| July | 25.9°C | 16.0°C | 68 mm | 12.2 h | 05:34 | 21:26 |
| August | 25.4°C | 16.1°C | 68 mm | 10.8 h | 06:16 | 20:43 |
| September | 21.3°C | 12.2°C | 60 mm | 9.5 h | 07:01 | 19:40 |
| October | 16.0°C | 8.6°C | 80 mm | 6.4 h | 07:45 | 18:36 |
| November | 9.7°C | 4.1°C | 84 mm | 4.4 h | 07:35 | 16:44 |
| December | 6.6°C | 1.9°C | 97 mm | 3.0 h | 08:14 | 16:26 |