Union County Weather in December
Average highs run from 50°F on December 1 to 42°F on December 31, and lows from 32°F to 27°F. Normal precipitation for the month is 4.02 in over about 10 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
- 45°F
- Average low
- 29°F
- Precipitation
- 4.02 in
- Snowfall
- 3.0 in
- Record high
- 75°FDec 5, 1998
- Record low
- -13°FDec 22, 1989
- Chance of a freeze
- 100%
- Daylight
- 9 h 45 min to 9 h 36 min
- Cloud cover
- 67%
- Humidity
- 84%
- Dew point
- 31°F
- Wind
- 9.6 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 | 32°F | 70°F 1997 | 17°F 2002 | 32% | 1% |
| Dec 2 | 49°F | 32°F | 69°F 2012 | 15°F 2005 | 32% | 1% |
| Dec 3 | 49°F | 31°F | 73°F 2021 | 14°F 1979 | 32% | 1% |
| Dec 4 | 49°F | 31°F | 74°F 2021 | 6°F 2006 | 32% | 1% |
| Dec 5 | 48°F | 31°F | 75°F 1998 | 7°F 2006 | 32% | 1% |
| Dec 6 | 48°F | 31°F | 75°F 2001 | 9°F 2002 | 33% | 2% |
| Dec 7 | 48°F | 30°F | 73°F 1998 | 12°F 2005 | 33% | 2% |
| Dec 8 | 47°F | 30°F | 67°F 1991 | 12°F 2010 | 33% | 2% |
| Dec 9 | 47°F | 30°F | 63°F 1991 | 4°F 2005 | 33% | 2% |
| Dec 10 | 47°F | 30°F | 66°F 2012 | 4°F 1995 | 33% | 2% |
| Dec 11 | 46°F | 30°F | 71°F 2021 | 11°F 2005 | 33% | 2% |
| Dec 12 | 46°F | 30°F | 73°F 1996 | 15°F 1982 | 33% | 2% |
| Dec 13 | 46°F | 29°F | 72°F 2015 | 7°F 1989 | 33% | 2% |
| Dec 14 | 46°F | 29°F | 72°F 1995 | 4°F 1985 | 33% | 2% |
| Dec 15 | 45°F | 29°F | 65°F 1995 | 4°F 2010 | 33% | 3% |
| Dec 16 | 45°F | 29°F | 67°F 2011 | -5°F 1989 | 33% | 3% |
| Dec 17 | 45°F | 29°F | 67°F 2006 | 1°F 1989 | 33% | 3% |
| Dec 18 | 45°F | 28°F | 72°F 2006 | 6°F 1981 | 33% | 3% |
| Dec 19 | 44°F | 28°F | 65°F 2002 | 4°F 1983 | 33% | 3% |
| Dec 20 | 44°F | 28°F | 68°F 2008 | 0°F 2000 | 33% | 3% |
| Dec 21 | 44°F | 28°F | 64°F 2013 | 4°F 1985 | 33% | 3% |
| Dec 22 | 44°F | 28°F | 63°F 2013 | -13°F 1989 | 33% | 3% |
| Dec 23 | 43°F | 28°F | 66°F 1988 | -10°F 1989 | 33% | 3% |
| Dec 24 | 43°F | 28°F | 68°F 1982 | -9°F 1989 | 33% | 3% |
| Dec 25 | 43°F | 27°F | 68°F 1982 | -8°F 1983 | 33% | 3% |
| Dec 26 | 43°F | 27°F | 74°F 2021 | 5°F 1983 | 32% | 3% |
| Dec 27 | 43°F | 27°F | 72°F 2016 | 8°F 2017 | 32% | 3% |
| Dec 28 | 43°F | 27°F | 70°F 2015 | 7°F 2017 | 32% | 3% |
| Dec 29 | 42°F | 27°F | 70°F 2021 | 4°F 1983 | 32% | 3% |
| Dec 30 | 42°F | 27°F | 66°F 1992 | -6°F 1983 | 32% | 3% |
| Dec 31 | 42°F | 27°F | 64°F 1999 | 0°F 1983 | 32% | 3% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- December 1
- sunrise 6:48 AM, sunset 4:33 PM
- December 31
- sunrise 7:07 AM, sunset 4:43 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00128967 (Jt Myers Locks & Dam), public domain. Records: NOAA GHCN-Daily, station USC00156595, 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.