Climate averages 1991–2020
Heilbronn weather
in July.
A warm, moderately wet month: the warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Heilbronn: daytime highs average 24.7°C and nights cool to about 15.5°C. By daytime temperature it is the warmest month of the year.
Expect about 74 mm of rain on roughly 13 days, which makes July a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 47 min on an average July day.
The nearest other city in this atlas is Ludwigsburg (27 km away). In July its highs average 23.9°C, 0.8°C cooler than Heilbronn, with 76 mm of rain.
Among the 120 cities listed in Germany, Heilbronn ranks 6th of 120 for the warmest July highs and joint 24th of 120 for the driest July (rainfall, lowest first). The mean July high of those 120 cities is 23.0°C; Heilbronn is 1.6°C warmer than that mean.
From July to August, average highs stay level at 24.6°C, and monthly rainfall falls from 74 mm to 62 mm.
The annual picture
July 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
Heilbronn climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.8°C-0.8°C | -0.8°C | 76 | 12.3 | 8.79 h |
| February | 6.4°C-0.7°C | -0.7°C | 67 | 11.4 | 10.110 h |
| March | 10.7°C2.1°C | 2.1°C | 76 | 12.5 | 11.912 h |
| April | 15.3°C5.5°C | 5.5°C | 52 | 10.4 | 13.714 h |
| May | 19.2°C9.8°C | 9.8°C | 79 | 13.1 | 15.315 h |
| June | 22.5°C13.4°C | 13.4°C | 66 | 12.2 | 16.116 h |
| July, selected | 24.7°C15.5°C | 15.5°C | 74 | 12.7 | 15.816 h |
| August | 24.6°C15.4°C | 15.4°C | 62 | 11.0 | 14.414 h |
| September | 20.0°C11.6°C | 11.6°C | 63 | 10.2 | 12.713 h |
| October | 14.9°C7.6°C | 7.6°C | 72 | 11.8 | 10.811 h |
| November | 9.0°C3.3°C | 3.3°C | 72 | 11.6 | 9.29 h |
| December | 5.4°C0.4°C | 0.4°C | 90 | 14.6 | 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
July in nearby cities
- Ludwigsburg in JulyGermany · 27 kmHigh 23.9°C · Low 14.5°C · 76 mm rain
- Stuttgart in JulyGermany · 40 kmHigh 24.1°C · Low 14.6°C · 79 mm rain
- Esslingen in JulyGermany · 45 kmHigh 24.2°C · Low 14.6°C · 79 mm rain
- Pforzheim in JulyGermany · 47 kmHigh 24.2°C · Low 15.2°C · 79 mm rain
- Heidelberg, Germany in JulyGermany · 49 kmHigh 24.9°C · Low 15.6°C · 73 mm rain
- Karlsruhe in JulyGermany · 61 kmHigh 25.0°C · Low 15.9°C · 70 mm rain
- Mannheim in JulyGermany · 67 kmHigh 25.0°C · Low 15.7°C · 61 mm rain
- Ludwigshafen am Rhein in JulyGermany · 68 kmHigh 25.2°C · Low 15.8°C · 61 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 Heilbronn) is explained once on the Heilbronn year overview and on the Sources, method and limits page.