Johnson County Weather in January
Average highs run from 46°F on January 1 to 46°F on January 31, and lows from 24°F to 23°F. Normal precipitation for the month is 3.74 in over about 9 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
- 46°F
- Average low
- 23°F
- Precipitation
- 3.74 in
- Snowfall
- 3.4 in
- Record high
- 78°FJan 24, 1943
- Record low
- -21°FJan 21, 1985
- Chance of a freeze
- 100%
- Daylight
- 9 h 44 min to 10 h 23 min
- Cloud cover
- 66%
- Humidity
- 84%
- Dew point
- 27°F
- Wind
- 7.2 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 | 46°F | 24°F | 75°F 2019 | 9°F 2018 | 30% | 4% |
| Jan 2 | 46°F | 24°F | 77°F 2022 | -5°F 1900 | 30% | 4% |
| Jan 3 | 46°F | 24°F | 74°F 2000 | 2°F 1900 | 30% | 4% |
| Jan 4 | 46°F | 24°F | 75°F 2023 | 5°F 1900 | 30% | 4% |
| Jan 5 | 46°F | 24°F | 75°F 2007 | 6°F 1995 | 30% | 4% |
| Jan 6 | 46°F | 24°F | 72°F 1998 | -3°F 2014 | 30% | 4% |
| Jan 7 | 46°F | 23°F | 68°F 1989 | 1°F 2018 | 30% | 4% |
| Jan 8 | 46°F | 23°F | 73°F 1998 | 2°F 1996 | 30% | 4% |
| Jan 9 | 45°F | 23°F | 66°F 1898 | 7°F 2015 | 30% | 4% |
| Jan 10 | 45°F | 23°F | 70°F 1898 | 8°F 2010 | 30% | 4% |
| Jan 11 | 45°F | 23°F | 68°F 2013 | 1°F 1942 | 30% | 5% |
| Jan 12 | 45°F | 23°F | 73°F 2013 | 7°F 1997 | 30% | 5% |
| Jan 13 | 45°F | 23°F | 76°F 2013 | 7°F 1997 | 30% | 5% |
| Jan 14 | 45°F | 23°F | 69°F 1907 | 6°F 1994 | 30% | 5% |
| Jan 15 | 45°F | 23°F | 71°F 1907 | -4°F 1994 | 30% | 5% |
| Jan 16 | 45°F | 23°F | 69°F 1907 | 1°F 1994 | 30% | 5% |
| Jan 17 | 45°F | 23°F | 73°F 1943 | 1°F 2003 | 30% | 5% |
| Jan 18 | 45°F | 23°F | 71°F 1907 | -7°F 1994 | 30% | 5% |
| Jan 19 | 45°F | 23°F | 65°F 1907 | -7°F 1994 | 30% | 5% |
| Jan 20 | 45°F | 23°F | 72°F 1906 | -7°F 1985 | 30% | 5% |
| Jan 21 | 45°F | 23°F | 71°F 1906 | -21°F 1985 | 30% | 5% |
| Jan 22 | 45°F | 23°F | 72°F 1999 | -7°F 1985 | 30% | 5% |
| Jan 23 | 45°F | 23°F | 71°F 1944 | -3°F 2014 | 30% | 5% |
| Jan 24 | 45°F | 23°F | 78°F 1943 | 7°F 2003 | 30% | 5% |
| Jan 25 | 46°F | 23°F | 72°F 1943 | 2°F 1905 | 30% | 5% |
| Jan 26 | 46°F | 23°F | 68°F 2012 | 6°F 1905 | 30% | 5% |
| Jan 27 | 46°F | 23°F | 69°F 1944 | 0°F 1987 | 30% | 5% |
| Jan 28 | 46°F | 23°F | 67°F 2002 | -7°F 1986 | 30% | 6% |
| Jan 29 | 46°F | 23°F | 70°F 1903 | -13°F 1897 | 30% | 6% |
| Jan 30 | 46°F | 23°F | 71°F 2002 | -7°F 1897 | 30% | 6% |
| Jan 31 | 46°F | 23°F | 78°F 2002 | 5°F 1900 | 30% | 6% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:39 AM, sunset 5:23 PM
- January 31
- sunrise 7:30 AM, sunset 5:53 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00406292 (Mtn City 2), public domain. Records: NOAA GHCN-Daily, station USC00402806, 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.