Heilbron Weather in January
Average highs run from 29°C on January 1 to 29°C on January 31, and lows from 15°C to 15°C. Normal precipitation for the month is 93 mm over about 19 wet days.
January day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
January at a glance
- Average high
- 29°C
- Average low
- 15°C
- Precipitation
- 93 mm
- Reanalysis high
- 39°CJan 6, 2016
- Reanalysis low
- 5°CJan 11, 1998
- Daylight
- 13 h 49 min to 13 h 22 min
- Cloud cover
- 62%
- Humidity
- 62%
- Dew point
- 12°C
- Wind
- 12.6 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 |
|---|---|---|---|---|---|
| Jan 1 | 29°C | 15°C | 35°C 2017 | 10°C 2007 | 59% |
| Jan 2 | 29°C | 15°C | 34°C 2017 | 8°C 2001 | 61% |
| Jan 3 | 29°C | 15°C | 34°C 2008 | 6°C 2001 | 61% |
| Jan 4 | 29°C | 15°C | 35°C 2016 | 8°C 2001 | 61% |
| Jan 5 | 29°C | 15°C | 38°C 2016 | 9°C 2001 | 60% |
| Jan 6 | 29°C | 15°C | 39°C 2016 | 12°C 2001 | 59% |
| Jan 7 | 29°C | 15°C | 39°C 2016 | 11°C 2011 | 58% |
| Jan 8 | 29°C | 15°C | 35°C 2016 | 11°C 2007 | 57% |
| Jan 9 | 29°C | 15°C | 34°C 1992 | 9°C 1991 | 57% |
| Jan 10 | 29°C | 15°C | 34°C 2001 | 7°C 1998 | 57% |
| Jan 11 | 29°C | 15°C | 35°C 2001 | 5°C 1998 | 57% |
| Jan 12 | 29°C | 15°C | 35°C 2001 | 9°C 1993 | 58% |
| Jan 13 | 29°C | 15°C | 36°C 2019 | 10°C 1993 | 60% |
| Jan 14 | 29°C | 15°C | 36°C 2019 | 10°C 2000 | 61% |
| Jan 15 | 29°C | 15°C | 37°C 2019 | 11°C 2000 | 61% |
| Jan 16 | 29°C | 15°C | 35°C 2003 | 12°C 2001 | 61% |
| Jan 17 | 29°C | 15°C | 35°C 1993 | 10°C 2017 | 59% |
| Jan 18 | 29°C | 15°C | 36°C 2019 | 8°C 2000 | 59% |
| Jan 19 | 29°C | 15°C | 35°C 2019 | 7°C 2000 | 60% |
| Jan 20 | 29°C | 15°C | 33°C 1993 | 9°C 2000 | 60% |
| Jan 21 | 29°C | 15°C | 35°C 1993 | 10°C 2000 | 60% |
| Jan 22 | 29°C | 15°C | 36°C 2019 | 12°C 1992 | 61% |
| Jan 23 | 29°C | 15°C | 36°C 2019 | 12°C 1994 | 62% |
| Jan 24 | 29°C | 15°C | 35°C 2019 | 12°C 1994 | 62% |
| Jan 25 | 29°C | 15°C | 36°C 2019 | 12°C 1994 | 62% |
| Jan 26 | 29°C | 15°C | 35°C 1995 | 10°C 1994 | 62% |
| Jan 27 | 29°C | 15°C | 35°C 1992 | 11°C 1996 | 62% |
| Jan 28 | 29°C | 15°C | 35°C 1995 | 9°C 1996 | 60% |
| Jan 29 | 29°C | 15°C | 34°C 1995 | 9°C 1996 | 59% |
| Jan 30 | 29°C | 15°C | 35°C 1992 | 9°C 1996 | 58% |
| Jan 31 | 29°C | 15°C | 33°C 2012 | 11°C 1996 | 58% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- January 1
- sunrise 5:17 AM, sunset 7:06 PM
- January 31
- sunrise 5:40 AM, sunset 7:02 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.