Wheaton Weather in January
Average highs run from 44°F on January 1 to 45°F on January 31, and lows from 25°F to 24°F. Normal precipitation for the month is 2.47 in over about 7 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 44°F
- Average low
- 24°F
- Precipitation
- 2.47 in
- Snowfall
- 2.4 in
- Record high
- 74°FJan 3, 2023
- Record low
- -16°FJan 20, 1985
- Chance of a freeze
- 100%
- Daylight
- 9 h 42 min to 10 h 22 min
- Cloud cover
- 62%
- Humidity
- 84%
- Dew point
- 27°F
- Wind
- 10.3 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jan 1 | 44°F | 25°F | 69°F 2005 | -5°F 1974 | 22% | 4% |
| Jan 2 | 44°F | 25°F | 70°F 2006 | -4°F 1979 | 22% | 4% |
| Jan 3 | 44°F | 25°F | 74°F 2023 | 4°F 2014 | 22% | 4% |
| Jan 4 | 44°F | 24°F | 73°F 2004 | -1°F 1999 | 22% | 4% |
| Jan 5 | 44°F | 24°F | 61°F 1984 | -2°F 2010 | 22% | 4% |
| Jan 6 | 44°F | 24°F | 68°F 2008 | -10°F 2014 | 22% | 4% |
| Jan 7 | 44°F | 24°F | 70°F 2008 | -9°F 2014 | 22% | 4% |
| Jan 8 | 44°F | 24°F | 68°F 2026 | -10°F 1979 | 22% | 4% |
| Jan 9 | 44°F | 24°F | 67°F 2006 | -5°F 1977 | 22% | 4% |
| Jan 10 | 44°F | 24°F | 70°F 1990 | -13°F 1982 | 22% | 4% |
| Jan 11 | 44°F | 24°F | 69°F 1995 | -9°F 1977 | 22% | 4% |
| Jan 12 | 44°F | 24°F | 71°F 2017 | -3°F 1997 | 22% | 4% |
| Jan 13 | 44°F | 24°F | 69°F 1983 | -6°F 1997 | 22% | 4% |
| Jan 14 | 44°F | 24°F | 68°F 2026 | -10°F 1979 | 22% | 4% |
| Jan 15 | 44°F | 24°F | 69°F 1996 | -5°F 1979 | 22% | 4% |
| Jan 16 | 44°F | 24°F | 65°F 2006 | -8°F 2018 | 22% | 4% |
| Jan 17 | 44°F | 24°F | 67°F 2012 | -7°F 2018 | 22% | 4% |
| Jan 18 | 44°F | 24°F | 66°F 1974 | -6°F 1984 | 21% | 4% |
| Jan 19 | 44°F | 24°F | 63°F 2006 | -7°F 1984 | 21% | 4% |
| Jan 20 | 44°F | 24°F | 74°F 1986 | -16°F 1985 | 21% | 4% |
| Jan 21 | 44°F | 24°F | 66°F 2005 | -6°F 1984 | 21% | 4% |
| Jan 22 | 44°F | 24°F | 69°F 2018 | 4°F 2025 | 21% | 4% |
| Jan 23 | 44°F | 24°F | 69°F 2009 | 1°F 2003 | 21% | 4% |
| Jan 24 | 44°F | 24°F | 71°F 2002 | 2°F 2003 | 21% | 4% |
| Jan 25 | 45°F | 24°F | 69°F 2017 | 2°F 2026 | 21% | 4% |
| Jan 26 | 45°F | 24°F | 68°F 2005 | -10°F 2026 | 21% | 4% |
| Jan 27 | 45°F | 24°F | 68°F 1975 | 0°F 2026 | 21% | 4% |
| Jan 28 | 45°F | 24°F | 66°F 1975 | -1°F 1977 | 21% | 4% |
| Jan 29 | 45°F | 24°F | 71°F 2002 | -5°F 1979 | 21% | 4% |
| Jan 30 | 45°F | 24°F | 72°F 2011 | 6°F 1985 | 21% | 4% |
| Jan 31 | 45°F | 24°F | 67°F 2016 | -6°F 1979 | 21% | 4% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- January 1
- sunrise 7:29 AM, sunset 5:11 PM
- January 31
- sunrise 7:19 AM, sunset 5:41 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00235704 (Monett 4SW), public domain. Records: NOAA GHCN-Daily, station USC00235704, 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.