Johnson County Weather in December
Average highs run from 50°F on December 1 to 43°F on December 31, and lows from 33°F to 27°F. Normal precipitation for the month is 4.16 in over about 9 wet days.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 46°F
- Average low
- 29°F
- Precipitation
- 4.16 in
- Snowfall
- 1.4 in
- Record high
- 74°FDec 2, 1982
- Record low
- -13°FDec 22, 1989
- Chance of a freeze
- 100%
- Daylight
- 9 h 47 min to 9 h 37 min
- Cloud cover
- 66%
- Humidity
- 84%
- Dew point
- 31°F
- Wind
- 8.5 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 |
|---|---|---|---|---|---|---|
| Dec 1 | 50°F | 33°F | 68°F 1962 | 12°F 1964 | 29% | 1% |
| Dec 2 | 50°F | 32°F | 74°F 1982 | 15°F 1979 | 29% | 1% |
| Dec 3 | 50°F | 32°F | 73°F 1982 | 16°F 1979 | 29% | 1% |
| Dec 4 | 49°F | 32°F | 72°F 2012 | 16°F 1991 | 29% | 1% |
| Dec 5 | 49°F | 32°F | 68°F 2001 | 17°F 2006 | 29% | 1% |
| Dec 6 | 49°F | 31°F | 69°F 1998 | 13°F 1977 | 29% | 1% |
| Dec 7 | 49°F | 31°F | 69°F 1966 | 2°F 1984 | 29% | 1% |
| Dec 8 | 48°F | 31°F | 71°F 1966 | 14°F 2006 | 29% | 1% |
| Dec 9 | 48°F | 31°F | 65°F 1966 | 5°F 1995 | 29% | 2% |
| Dec 10 | 48°F | 30°F | 72°F 1971 | 5°F 1977 | 29% | 2% |
| Dec 11 | 47°F | 30°F | 66°F 1996 | 3°F 1962 | 29% | 2% |
| Dec 12 | 47°F | 30°F | 68°F 1965 | -7°F 1962 | 29% | 2% |
| Dec 13 | 47°F | 30°F | 70°F 2015 | -3°F 1962 | 29% | 2% |
| Dec 14 | 47°F | 29°F | 71°F 2015 | 2°F 2010 | 29% | 2% |
| Dec 15 | 46°F | 29°F | 70°F 1984 | 4°F 1963 | 29% | 2% |
| Dec 16 | 46°F | 29°F | 69°F 1984 | -3°F 1989 | 29% | 2% |
| Dec 17 | 46°F | 29°F | 65°F 1984 | -2°F 1989 | 28% | 2% |
| Dec 18 | 46°F | 29°F | 72°F 2016 | 5°F 1964 | 28% | 2% |
| Dec 19 | 45°F | 28°F | 63°F 1967 | -1°F 1963 | 28% | 2% |
| Dec 20 | 45°F | 28°F | 64°F 1967 | 0°F 1989 | 28% | 2% |
| Dec 21 | 45°F | 28°F | 69°F 1967 | -6°F 1989 | 28% | 2% |
| Dec 22 | 45°F | 28°F | 64°F 1965 | -13°F 1989 | 28% | 2% |
| Dec 23 | 45°F | 28°F | 63°F 1982 | -10°F 1989 | 28% | 2% |
| Dec 24 | 44°F | 28°F | 66°F 1964 | -7°F 1983 | 27% | 2% |
| Dec 25 | 44°F | 27°F | 68°F 1982 | -11°F 1983 | 27% | 2% |
| Dec 26 | 44°F | 27°F | 67°F 1971 | 1°F 1983 | 27% | 2% |
| Dec 27 | 44°F | 27°F | 69°F 2016 | 11°F 1962 | 27% | 2% |
| Dec 28 | 44°F | 27°F | 69°F 2008 | 12°F 1962 | 27% | 2% |
| Dec 29 | 44°F | 27°F | 69°F 1984 | 1°F 1983 | 27% | 2% |
| Dec 30 | 43°F | 27°F | 66°F 1971 | -11°F 1983 | 27% | 2% |
| Dec 31 | 43°F | 27°F | 66°F 1965 | -5°F 1983 | 27% | 2% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- December 1
- sunrise 6:51 AM, sunset 4:38 PM
- December 31
- sunrise 7:10 AM, sunset 4:47 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00112353 (Dixon Springs Agric Ctr), public domain. Records: NOAA GHCN-Daily, station USC00110993, 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.