Mainz Weather in January
Average highs run from 3°C on January 1 to 4°C on January 31, and lows from -1°C to -2°C. Normal precipitation for the month is 66 mm over about 12 wet days.
January day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 4°C
- Average low
- -1°C
- Precipitation
- 66 mm
- Record high
- 14°CJan 10, 2015
- Record low
- -16°CJan 2, 1997
- Daylight
- 8 h 11 min to 9 h 17 min
- Cloud cover
- 75%
- Humidity
- 93%
- Dew point
- -1°C
- Wind
- 15.8 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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jan 1 | 3°C | -1°C | 13°C 2023 | -16°C 1997 | 43% |
| Jan 2 | 3°C | -2°C | 12°C 2003 | -16°C 1997 | 43% |
| Jan 3 | 4°C | -1°C | 11°C 2024 | -11°C 1997 | 43% |
| Jan 4 | 4°C | -1°C | 11°C 2013 | -11°C 2010 | 43% |
| Jan 5 | 4°C | -1°C | 13°C 1999 | -12°C 2010 | 43% |
| Jan 6 | 3°C | -1°C | 14°C 2025 | -14°C 2002 | 42% |
| Jan 7 | 4°C | -1°C | 11°C 2014 | -15°C 2009 | 42% |
| Jan 8 | 4°C | 0°C | 12°C 2014 | -11°C 2003 | 40% |
| Jan 9 | 5°C | 0°C | 13°C 2015 | -10°C 2003 | 39% |
| Jan 10 | 5°C | 0°C | 14°C 2015 | -10°C 2003 | 38% |
| Jan 11 | 4°C | 0°C | 10°C 1993 | -12°C 2009 | 38% |
| Jan 12 | 4°C | -1°C | 11°C 1993 | -12°C 2009 | 37% |
| Jan 13 | 4°C | -1°C | 12°C 2011 | -9°C 1997 | 37% |
| Jan 14 | 4°C | -1°C | 12°C 2011 | -9°C 2013 | 36% |
| Jan 15 | 4°C | -2°C | 11°C 2020 | -9°C 1997 | 36% |
| Jan 16 | 4°C | -1°C | 11°C 2020 | -9°C 2006 | 36% |
| Jan 17 | 4°C | -2°C | 11°C 1993 | -9°C 2001 | 34% |
| Jan 18 | 4°C | -1°C | 14°C 2007 | -8°C 2016 | 33% |
| Jan 19 | 3°C | -1°C | 13°C 2008 | -8°C 2016 | 34% |
| Jan 20 | 4°C | -1°C | 13°C 2007 | -10°C 2024 | 35% |
| Jan 21 | 4°C | -1°C | 12°C 1993 | -10°C 2024 | 35% |
| Jan 22 | 3°C | -2°C | 10°C 1993 | -9°C 2019 | 36% |
| Jan 23 | 3°C | -2°C | 10°C 1993 | -9°C 2017 | 38% |
| Jan 24 | 3°C | -2°C | 12°C 2024 | -9°C 2000 | 37% |
| Jan 25 | 3°C | -2°C | 11°C 1994 | -10°C 2000 | 38% |
| Jan 26 | 3°C | -2°C | 12°C 1995 | -10°C 2010 | 38% |
| Jan 27 | 3°C | -1°C | 12°C 2002 | -13°C 2010 | 38% |
| Jan 28 | 4°C | -1°C | 14°C 2002 | -10°C 2000 | 37% |
| Jan 29 | 4°C | -1°C | 13°C 2002 | -10°C 2005 | 37% |
| Jan 30 | 4°C | -1°C | 12°C 2013 | -8°C 2011 | 36% |
| Jan 31 | 4°C | -2°C | 13°C 2020 | -9°C 2011 | 36% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+1).
- January 1
- sunrise 8:25 AM, sunset 4:36 PM
- January 31
- sunrise 8:02 AM, sunset 5:19 PM
Other months
Sources
Records: NOAA GHCN-Daily, station GME00130258, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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.