Climate averages 1991–2020
Heidelberg, Germany weather
in March.
A cool, moderately wet month: the 8th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a cool month in Heidelberg, Germany: daytime highs average 10.8°C and nights cool to about 2.4°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 75 mm of rain on roughly 13 days, which makes March a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 51 min on an average March day.
The nearest other city in this atlas is Mannheim (19 km away). In March its highs average 10.8°C, about as warm as Heidelberg, Germany, with 57 mm of rain.
Among the 120 cities listed in Germany, Heidelberg, Germany ranks joint 3rd of 120 for the warmest March highs and 108th of 120 for the driest March (rainfall, lowest first). The mean March high of those 120 cities is 9.3°C; Heidelberg, Germany is 1.5°C warmer than that mean.
From March to April, average highs rise by 4.6°C to 15.4°C, and monthly rainfall falls from 75 mm to 54 mm.
The annual picture
March in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Heidelberg, Germany climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 5.0°C-0.4°C | -0.4°C | 80 | 13.1 | 8.79 h |
| February | 6.6°C-0.2°C | -0.2°C | 67 | 11.2 | 10.110 h |
| March, selected | 10.8°C2.4°C | 2.4°C | 75 | 12.5 | 11.912 h |
| April | 15.4°C5.5°C | 5.5°C | 54 | 11.1 | 13.714 h |
| May | 19.3°C9.9°C | 9.9°C | 79 | 12.7 | 15.315 h |
| June | 22.7°C13.4°C | 13.4°C | 68 | 11.9 | 16.216 h |
| July | 24.9°C15.6°C | 15.6°C | 73 | 12.3 | 15.816 h |
| August | 24.9°C15.5°C | 15.5°C | 60 | 10.0 | 14.414 h |
| September | 20.3°C11.7°C | 11.7°C | 66 | 10.0 | 12.713 h |
| October | 15.1°C7.9°C | 7.9°C | 72 | 12.1 | 10.811 h |
| November | 9.2°C3.7°C | 3.7°C | 76 | 12.1 | 9.29 h |
| December | 5.6°C0.7°C | 0.7°C | 95 | 15.1 | 8.38 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
March in nearby cities
- Mannheim in MarchGermany · 19 kmHigh 10.8°C · Low 2.3°C · 57 mm rain
- Ludwigshafen am Rhein in MarchGermany · 19 kmHigh 10.9°C · Low 2.3°C · 57 mm rain
- Worms in MarchGermany · 35 kmHigh 10.5°C · Low 2.0°C · 47 mm rain
- Heilbronn in MarchGermany · 49 kmHigh 10.7°C · Low 2.1°C · 76 mm rain
- Karlsruhe in MarchGermany · 49 kmHigh 10.9°C · Low 2.5°C · 68 mm rain
- Darmstadt in MarchGermany · 52 kmHigh 10.1°C · Low 2.0°C · 68 mm rain
- Pforzheim in MarchGermany · 58 kmHigh 10.5°C · Low 2.0°C · 70 mm rain
- Kaiserslautern in MarchGermany · 67 kmHigh 10.1°C · Low 2.4°C · 58 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Heidelberg) is explained once on the Heidelberg, Germany year overview and on the Sources, method and limits page.