Johnson County Weather in January
Average highs run from 36°F on January 1 to 36°F on January 31, and lows from 20°F to 17°F. Normal precipitation for the month is 2.99 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
- 35°F
- Average low
- 18°F
- Precipitation
- 2.99 in
- Snowfall
- 6.3 in
- Record high
- 70°FJan 1, 1952
- Record low
- -22°FJan 20, 1985
- Chance of a freeze
- 100%
- Daylight
- 9 h 27 min to 10 h 11 min
- Cloud cover
- 73%
- Humidity
- 87%
- Dew point
- 24°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 | 36°F | 20°F | 70°F 1952 | -9°F 1968 | 34% | 10% |
| Jan 2 | 36°F | 20°F | 62°F 2000 | -9°F 1968 | 34% | 11% |
| Jan 3 | 36°F | 20°F | 63°F 2006 | -3°F 1979 | 34% | 11% |
| Jan 4 | 36°F | 19°F | 59°F 2005 | -1°F 1969 | 34% | 11% |
| Jan 5 | 36°F | 19°F | 64°F 1998 | -9°F 1959 | 34% | 11% |
| Jan 6 | 36°F | 19°F | 62°F 1955 | -9°F 1959 | 34% | 11% |
| Jan 7 | 35°F | 19°F | 61°F 2008 | -10°F 1970 | 34% | 11% |
| Jan 8 | 35°F | 19°F | 65°F 1965 | -9°F 1970 | 34% | 11% |
| Jan 9 | 35°F | 19°F | 65°F 1965 | -10°F 1970 | 34% | 12% |
| Jan 10 | 35°F | 18°F | 55°F 1963 | -17°F 1982 | 34% | 12% |
| Jan 11 | 35°F | 18°F | 60°F 1975 | -19°F 1982 | 34% | 12% |
| Jan 12 | 35°F | 18°F | 65°F 1995 | -8°F 1977 | 34% | 12% |
| Jan 13 | 35°F | 18°F | 67°F 1960 | -7°F 1997 | 33% | 12% |
| Jan 14 | 35°F | 18°F | 59°F 1952 | -10°F 1977 | 33% | 12% |
| Jan 15 | 35°F | 18°F | 64°F 1952 | -9°F 1972 | 33% | 12% |
| Jan 16 | 35°F | 18°F | 63°F 1953 | -15°F 1972 | 33% | 12% |
| Jan 17 | 35°F | 18°F | 65°F 1990 | -20°F 1977 | 33% | 12% |
| Jan 18 | 35°F | 17°F | 68°F 1952 | -20°F 1977 | 33% | 13% |
| Jan 19 | 35°F | 17°F | 62°F 1973 | -9°F 1977 | 33% | 13% |
| Jan 20 | 35°F | 17°F | 61°F 1952 | -22°F 1985 | 32% | 13% |
| Jan 21 | 35°F | 17°F | 59°F 1954 | -21°F 1985 | 32% | 13% |
| Jan 22 | 35°F | 17°F | 60°F 1964 | -14°F 1984 | 32% | 13% |
| Jan 23 | 35°F | 17°F | 67°F 1964 | -4°F 1970 | 32% | 13% |
| Jan 24 | 35°F | 17°F | 65°F 1967 | -15°F 1963 | 32% | 13% |
| Jan 25 | 35°F | 17°F | 68°F 1967 | -13°F 1963 | 32% | 13% |
| Jan 26 | 36°F | 17°F | 58°F 1952 | -2°F 1963 | 32% | 13% |
| Jan 27 | 36°F | 17°F | 61°F 1974 | -12°F 2003 | 31% | 13% |
| Jan 28 | 36°F | 17°F | 60°F 1999 | -11°F 1963 | 31% | 13% |
| Jan 29 | 36°F | 17°F | 65°F 1970 | -11°F 1963 | 31% | 13% |
| Jan 30 | 36°F | 17°F | 65°F 1975 | -12°F 1977 | 31% | 13% |
| Jan 31 | 36°F | 17°F | 57°F 1953 | -10°F 1966 | 31% | 13% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 8:05 AM, sunset 5:32 PM
- January 31
- sunrise 7:53 AM, sunset 6:04 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00123091 (Franklin Wwtp), public domain. Records: NOAA GHCN-Daily, station USC00124272, 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.