Heilbron Weather in August
Average highs run from 19°C on August 1 to 23°C on August 31, and lows from 2°C to 6°C. Normal precipitation for the month is 12 mm over about 3 wet days.
August day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
August at a glance
- Average high
- 21°C
- Average low
- 4°C
- Precipitation
- 12 mm
- Reanalysis high
- 29°CAug 30, 2015
- Reanalysis low
- -6°CAug 21, 2003
- Daylight
- 10 h 51 min to 11 h 32 min
- Cloud cover
- 28%
- Humidity
- 47%
- Dew point
- -2°C
- Wind
- 15.1 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 19°C | 2°C | 23°C 1995 | -4°C 2015 | 5% |
| Aug 2 | 19°C | 2°C | 23°C 1993 | -3°C 2012 | 4% |
| Aug 3 | 19°C | 2°C | 24°C 2018 | -2°C 1997 | 4% |
| Aug 4 | 19°C | 3°C | 25°C 2019 | -4°C 1991 | 4% |
| Aug 5 | 19°C | 3°C | 25°C 2004 | -3°C 2006 | 5% |
| Aug 6 | 19°C | 3°C | 25°C 2004 | -3°C 1996 | 5% |
| Aug 7 | 20°C | 3°C | 26°C 2019 | -3°C 1995 | 5% |
| Aug 8 | 20°C | 3°C | 25°C 2005 | -3°C 1996 | 6% |
| Aug 9 | 20°C | 3°C | 24°C 2005 | -3°C 1992 | 6% |
| Aug 10 | 20°C | 3°C | 24°C 1995 | -4°C 2010 | 6% |
| Aug 11 | 20°C | 3°C | 23°C 2017 | -2°C 2018 | 6% |
| Aug 12 | 20°C | 3°C | 25°C 1994 | -1°C 2018 | 6% |
| Aug 13 | 20°C | 3°C | 26°C 2018 | -3°C 2012 | 5% |
| Aug 14 | 20°C | 3°C | 26°C 2005 | -1°C 1996 | 6% |
| Aug 15 | 21°C | 3°C | 26°C 2018 | -2°C 2013 | 5% |
| Aug 16 | 21°C | 4°C | 26°C 2018 | -1°C 2007 | 6% |
| Aug 17 | 21°C | 4°C | 26°C 2019 | -1°C 2012 | 5% |
| Aug 18 | 21°C | 4°C | 25°C 2015 | -2°C 2017 | 5% |
| Aug 19 | 21°C | 4°C | 25°C 2001 | -5°C 2020 | 5% |
| Aug 20 | 21°C | 4°C | 27°C 2012 | -4°C 2003 | 6% |
| Aug 21 | 22°C | 4°C | 28°C 2005 | -6°C 2003 | 6% |
| Aug 22 | 22°C | 5°C | 27°C 2012 | -3°C 2003 | 7% |
| Aug 23 | 22°C | 5°C | 28°C 2012 | -2°C 2014 | 7% |
| Aug 24 | 22°C | 5°C | 29°C 2012 | -2°C 1995 | 7% |
| Aug 25 | 22°C | 5°C | 29°C 2012 | -2°C 1992 | 6% |
| Aug 26 | 22°C | 5°C | 27°C 2005 | 0°C 1998 | 6% |
| Aug 27 | 23°C | 5°C | 27°C 2015 | -2°C 2003 | 6% |
| Aug 28 | 23°C | 5°C | 28°C 1991 | -2°C 1996 | 6% |
| Aug 29 | 23°C | 5°C | 29°C 2015 | 0°C 2014 | 6% |
| Aug 30 | 23°C | 6°C | 29°C 2015 | -4°C 2014 | 7% |
| Aug 31 | 23°C | 6°C | 29°C 2015 | -3°C 2006 | 8% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- August 1
- sunrise 6:49 AM, sunset 5:40 PM
- August 31
- sunrise 6:23 AM, sunset 5:55 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.