Jefferson County Weather in December
Average highs run from 45°F on December 1 to 36°F on December 31, and lows from 22°F to 15°F. Normal precipitation for the month is 1.08 in over about 5 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
- 40°F
- Average low
- 18°F
- Precipitation
- 1.08 in
- Snowfall
- 3.4 in
- Record high
- 73°FDec 1, 1995
- Record low
- -26°FDec 22, 1989
- Chance of a freeze
- 100%
- Daylight
- 9 h 31 min to 9 h 22 min
- Cloud cover
- 58%
- Humidity
- 78%
- Dew point
- 23°F
- Wind
- 11.0 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 | 45°F | 22°F | 73°F 1995 | 0°F 1985 | 17% | 6% |
| Dec 2 | 44°F | 22°F | 69°F 1998 | -3°F 1985 | 17% | 6% |
| Dec 3 | 44°F | 22°F | 66°F 1988 | 4°F 1989 | 17% | 6% |
| Dec 4 | 44°F | 21°F | 66°F 1998 | 2°F 2005 | 17% | 6% |
| Dec 5 | 43°F | 21°F | 68°F 2001 | 1°F 2005 | 17% | 6% |
| Dec 6 | 43°F | 21°F | 67°F 1989 | -3°F 2005 | 17% | 7% |
| Dec 7 | 42°F | 20°F | 58°F 1988 | -4°F 2009 | 17% | 7% |
| Dec 8 | 42°F | 20°F | 65°F 1984 | -8°F 2005 | 17% | 7% |
| Dec 9 | 42°F | 20°F | 60°F 1984 | -8°F 2005 | 17% | 7% |
| Dec 10 | 41°F | 20°F | 62°F 1990 | -14°F 2009 | 17% | 7% |
| Dec 11 | 41°F | 19°F | 63°F 1990 | -11°F 2009 | 17% | 7% |
| Dec 12 | 41°F | 19°F | 64°F 1990 | -11°F 2000 | 17% | 7% |
| Dec 13 | 40°F | 19°F | 58°F 1993 | -12°F 1985 | 17% | 8% |
| Dec 14 | 40°F | 19°F | 60°F 2006 | -12°F 1985 | 17% | 8% |
| Dec 15 | 40°F | 18°F | 64°F 2006 | -16°F 1989 | 17% | 8% |
| Dec 16 | 39°F | 18°F | 64°F 2002 | -17°F 1989 | 17% | 8% |
| Dec 17 | 39°F | 18°F | 63°F 2002 | -17°F 1989 | 17% | 8% |
| Dec 18 | 39°F | 18°F | 55°F 2002 | -14°F 1985 | 17% | 8% |
| Dec 19 | 39°F | 17°F | 63°F 1988 | -18°F 1989 | 17% | 8% |
| Dec 20 | 38°F | 17°F | 54°F 1988 | -18°F 1989 | 17% | 8% |
| Dec 21 | 38°F | 17°F | 55°F 2004 | -14°F 1989 | 17% | 8% |
| Dec 22 | 38°F | 17°F | 52°F 2001 | -26°F 1989 | 17% | 8% |
| Dec 23 | 38°F | 16°F | 54°F 2005 | -25°F 1989 | 17% | 9% |
| Dec 24 | 38°F | 16°F | 51°F 1986 | -22°F 1989 | 17% | 9% |
| Dec 25 | 37°F | 16°F | 51°F 2011 | -4°F 1996 | 17% | 9% |
| Dec 26 | 37°F | 16°F | 59°F 1999 | 0°F 1990 | 16% | 9% |
| Dec 27 | 37°F | 16°F | 64°F 2008 | -3°F 2000 | 16% | 9% |
| Dec 28 | 37°F | 16°F | 57°F 2003 | -3°F 2000 | 16% | 9% |
| Dec 29 | 37°F | 15°F | 67°F 1984 | -4°F 1990 | 16% | 9% |
| Dec 30 | 37°F | 15°F | 67°F 1999 | -11°F 1990 | 16% | 9% |
| Dec 31 | 36°F | 15°F | 67°F 2004 | -12°F 1990 | 16% | 9% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- December 1
- sunrise 7:32 AM, sunset 5:03 PM
- December 31
- sunrise 7:51 AM, sunset 5:13 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00252820 (Fairbury 5S), public domain. Records: NOAA GHCN-Daily, station USC00250622, 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.