Saint-Louis Weather in January
Average highs run from 30°C on January 1 to 31°C on January 31, and lows from to 23°C. Normal precipitation for the month is 296 mm over about 19 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
- 30°C
- Precipitation
- 296 mm
- Record high
- 35°CJan 28, 1993
- Record low
- 19°CJan 3, 1984
- Daylight
- 13 h 24 min to 13 h 03 min
- Cloud cover
- 63%
- Humidity
- 79%
- Dew point
- 23°C
- Wind
- 21.6 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 | 30°C | 33°C 1998 | 20°C 1983 | 49% | |
| Jan 2 | 30°C | 23°C | 33°C 1981 | 20°C 2003 | 52% |
| Jan 3 | 30°C | 32°C 1981 | 19°C 1984 | 53% | |
| Jan 4 | 30°C | 24°C | 32°C 2024 | 20°C 1983 | 54% |
| Jan 5 | 30°C | 24°C | 33°C 2019 | 21°C 1990 | 54% |
| Jan 6 | 30°C | 23°C | 33°C 1981 | 21°C 1990 | 54% |
| Jan 7 | 30°C | 32°C 1981 | 20°C 1983 | 55% | |
| Jan 8 | 30°C | 32°C 2021 | 20°C 1990 | 56% | |
| Jan 9 | 30°C | 32°C 1998 | 22°C 2011 | 56% | |
| Jan 10 | 33°C 2025 | 21°C 1990 | 56% | ||
| Jan 11 | 30°C | 24°C | 33°C 2025 | 20°C 1989 | 55% |
| Jan 12 | 30°C | 24°C | 32°C 1985 | 20°C 1990 | 56% |
| Jan 13 | 30°C | 32°C 1985 | 20°C 1990 | 54% | |
| Jan 14 | 30°C | 24°C | 32°C 2025 | 20°C 1986 | 54% |
| Jan 15 | 30°C | 33°C 1992 | 21°C 1983 | 54% | |
| Jan 16 | 30°C | 33°C 1993 | 20°C 1994 | 53% | |
| Jan 17 | 30°C | 33°C 1993 | 19°C 2002 | 54% | |
| Jan 18 | 30°C | 23°C | 33°C 1993 | 21°C 1990 | 54% |
| Jan 19 | 30°C | 23°C | 32°C 1997 | 21°C 1987 | 54% |
| Jan 20 | 30°C | 32°C 2022 | 21°C 2002 | 56% | |
| Jan 21 | 30°C | 32°C 1981 | 20°C 1987 | 58% | |
| Jan 22 | 30°C | 24°C | 33°C 1981 | 21°C 1987 | 58% |
| Jan 23 | 30°C | 24°C | 33°C 2024 | 21°C 1986 | 58% |
| Jan 24 | 30°C | 32°C 2021 | 22°C 1986 | 57% | |
| Jan 25 | 30°C | 24°C | 33°C 2024 | 21°C 1990 | 57% |
| Jan 26 | 30°C | 33°C 2003 | 20°C 1989 | 56% | |
| Jan 27 | 30°C | 24°C | 32°C 2010 | 20°C 2022 | 55% |
| Jan 28 | 31°C | 23°C | 35°C 1993 | 19°C 2020 | 56% |
| Jan 29 | 30°C | 33°C 2010 | 21°C 2020 | 57% | |
| Jan 30 | 30°C | 23°C | 33°C 1994 | 20°C 2015 | 58% |
| Jan 31 | 31°C | 23°C | 32°C 2024 | 20°C 1980 | 58% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+4).
- January 1
- sunrise 5:40 AM, sunset 7:04 PM
- January 31
- sunrise 6:00 AM, sunset 7:03 PM
Other months
Sources
Records: NOAA GHCN-Daily, station REM00061980, 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.