Rheinfelden Weather in January
Average highs run from 5°C on January 1 to 5°C on January 31, and lows from to . Normal precipitation for the month is 47 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
- 6°C
- Precipitation
- 47 mm
- Record high
- 20°CJan 25, 1978
- Record low
- -23°CJan 6, 1985
- Daylight
- 8 h 31 min to 9 h 31 min
- Cloud cover
- 69%
- Humidity
- 89%
- Dew point
- -2°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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jan 1 | 5°C | 18°C 2023 | -13°C 1997 | 45% | |
| Jan 2 | 6°C | 16°C 2003 | -14°C 1997 | 44% | |
| Jan 3 | 5°C | 16°C 1991 | -11°C 1997 | 45% | |
| Jan 4 | 6°C | -2°C | 18°C 2022 | -11°C 2002 | 45% |
| Jan 5 | 7°C | 15°C 1999 | -11°C 2002 | 44% | |
| Jan 6 | 14°C 1983 | -23°C 1985 | 44% | ||
| Jan 7 | 6°C | 15°C 1998 | -22°C 1985 | 44% | |
| Jan 8 | 7°C | 0°C | 15°C 2011 | -8°C 2003 | 43% |
| Jan 9 | 5°C | 0°C | 14°C 2025 | -23°C 1985 | 42% |
| Jan 10 | 6°C | 1°C | 17°C 2015 | -10°C 2002 | 41% |
| Jan 11 | 7°C | 0°C | 19°C 1991 | -11°C 2009 | 41% |
| Jan 12 | 6°C | 13°C 1974 | -22°C 1987 | 41% | |
| Jan 13 | 18°C 1993 | -20°C 1987 | 42% | ||
| Jan 14 | 6°C | 14°C 1984 | -14°C 1997 | 43% | |
| Jan 15 | 6°C | -2°C | 14°C 1974 | -18°C 1985 | 43% |
| Jan 16 | 5°C | -2°C | 17°C 1974 | -14°C 1985 | 43% |
| Jan 17 | 6°C | 12°C 1993 | -8°C 1987 | 42% | |
| Jan 18 | 15°C 2007 | -16°C 1985 | 42% | ||
| Jan 19 | -2°C | 15°C 2007 | -8°C 1994 | 42% | |
| Jan 20 | 5°C | 14°C 2007 | -8°C 2017 | 42% | |
| Jan 21 | 13°C 2021 | -6°C 2023 | 42% | ||
| Jan 22 | 6°C | 14°C 1993 | -9°C 1992 | 41% | |
| Jan 23 | 6°C | 15°C 1995 | -11°C 2011 | 42% | |
| Jan 24 | 5°C | 15°C 2024 | -10°C 2006 | 42% | |
| Jan 25 | 6°C | 20°C 1978 | -11°C 2007 | 42% | |
| Jan 26 | 5°C | -2°C | 15°C 2002 | -10°C 2000 | 43% |
| Jan 27 | 5°C | -1°C | 20°C 1978 | -13°C 2005 | 42% |
| Jan 28 | -1°C | 16°C 2002 | -10°C 2005 | 40% | |
| Jan 29 | 5°C | 12°C 2021 | -14°C 1976 | 40% | |
| Jan 30 | 5°C | 14°C 2002 | -15°C 2005 | 40% | |
| Jan 31 | 5°C | 15°C 2020 | -9°C 1991 | 39% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+1).
- January 1
- sunrise 8:17 AM, sunset 4:48 PM
- January 31
- sunrise 7:57 AM, sunset 5:28 PM
Other months
Sources
Records: NOAA GHCN-Daily, station FRM00007299, 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.