McHenry Weather in January
Average highs run from 32°F on January 1 to 31°F on January 31, and lows from 15°F to 13°F. Normal precipitation for the month is 1.65 in over about 10 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
- 31°F
- Average low
- 13°F
- Precipitation
- 1.65 in
- Snowfall
- 11.0 in
- Record high
- 69°FJan 11, 2018
- Record low
- -23°FJan 30, 2019
- Chance of a freeze
- 100%
- Daylight
- 9 h 09 min to 9 h 59 min
- Cloud cover
- 66%
- Humidity
- 89%
- Dew point
- 16°F
- Wind
- 12.3 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 | 32°F | 15°F | 48°F 2000 | -8°F 2018 | 29% | 20% |
| Jan 2 | 32°F | 15°F | 59°F 2000 | -7°F 2018 | 29% | 20% |
| Jan 3 | 32°F | 14°F | 52°F 2004 | -9°F 2014 | 29% | 20% |
| Jan 4 | 31°F | 14°F | 51°F 2007 | -3°F 2018 | 29% | 20% |
| Jan 5 | 31°F | 14°F | 54°F 2019 | -6°F 2015 | 30% | 21% |
| Jan 6 | 31°F | 14°F | 59°F 2008 | -16°F 2014 | 30% | 21% |
| Jan 7 | 31°F | 14°F | 64°F 2008 | -14°F 2014 | 30% | 21% |
| Jan 8 | 31°F | 13°F | 58°F 2026 | -14°F 2014 | 30% | 21% |
| Jan 9 | 31°F | 13°F | 59°F 2026 | -15°F 2014 | 30% | 22% |
| Jan 10 | 31°F | 13°F | 55°F 2018 | -4°F 2015 | 30% | 22% |
| Jan 11 | 31°F | 13°F | 69°F 2018 | -4°F 2016 | 30% | 22% |
| Jan 12 | 30°F | 13°F | 57°F 2005 | -2°F 2009 | 30% | 22% |
| Jan 13 | 30°F | 13°F | 53°F 2026 | -4°F 2009 | 30% | 22% |
| Jan 14 | 30°F | 13°F | 45°F 2002 | -9°F 2024 | 30% | 22% |
| Jan 15 | 30°F | 13°F | 42°F 2016 | -12°F 2009 | 30% | 22% |
| Jan 16 | 30°F | 12°F | 49°F 2023 | -19°F 2009 | 30% | 23% |
| Jan 17 | 30°F | 12°F | 49°F 2023 | -3°F 2016 | 30% | 23% |
| Jan 18 | 30°F | 12°F | 44°F 2013 | -6°F 2016 | 30% | 23% |
| Jan 19 | 30°F | 12°F | 52°F 2006 | -4°F 2008 | 30% | 23% |
| Jan 20 | 30°F | 12°F | 47°F 2018 | -6°F 2008 | 30% | 23% |
| Jan 21 | 30°F | 12°F | 58°F 2017 | -8°F 2025 | 30% | 23% |
| Jan 22 | 30°F | 12°F | 54°F 2002 | -5°F 2013 | 30% | 23% |
| Jan 23 | 30°F | 12°F | 46°F 2002 | -14°F 2026 | 30% | 23% |
| Jan 24 | 30°F | 12°F | 44°F 2010 | -13°F 2026 | 30% | 23% |
| Jan 25 | 30°F | 12°F | 49°F 2002 | -8°F 2019 | 30% | 23% |
| Jan 26 | 30°F | 12°F | 52°F 2018 | -14°F 2019 | 30% | 23% |
| Jan 27 | 30°F | 12°F | 60°F 2002 | -10°F 2014 | 30% | 22% |
| Jan 28 | 31°F | 12°F | 49°F 2025 | -13°F 2014 | 30% | 22% |
| Jan 29 | 31°F | 13°F | 49°F 2008 | -12°F 2019 | 29% | 22% |
| Jan 30 | 31°F | 13°F | 53°F 2025 | -23°F 2019 | 29% | 22% |
| Jan 31 | 31°F | 13°F | 56°F 2012 | -23°F 2019 | 29% | 22% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- January 1
- sunrise 7:22 AM, sunset 4:31 PM
- January 31
- sunrise 7:07 AM, sunset 5:06 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00115493 (Mc Henry -Wg Stratton L&d), public domain. Records: NOAA GHCN-Daily, station USW00014880, 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.