Jefferson Weather in December
Average highs run from 51°F on December 1 to 44°F on December 31, and lows from 26°F to 23°F. Normal precipitation for the month is 4.03 in over about 8 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
- 47°F
- Average low
- 25°F
- Precipitation
- 4.03 in
- Snowfall
- 3.7 in
- Record high
- 83°FDec 9, 1943
- Record low
- -20°FDec 30, 1917
- Chance of a freeze
- 100%
- Daylight
- 9 h 52 min to 9 h 44 min
- Cloud cover
- 67%
- Humidity
- 82%
- Dew point
- 30°F
- Wind
- 5.4 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 | 51°F | 26°F | 67°F 1998 | 3°F 1903 | 24% | 2% |
| Dec 2 | 50°F | 26°F | 71°F 2006 | 13°F 1922 | 24% | 2% |
| Dec 3 | 50°F | 26°F | 68°F 1998 | 5°F 1979 | 24% | 2% |
| Dec 4 | 50°F | 26°F | 70°F 2021 | 3°F 2000 | 24% | 2% |
| Dec 5 | 50°F | 26°F | 71°F 2001 | 1°F 1974 | 24% | 2% |
| Dec 6 | 49°F | 26°F | 73°F 2001 | 4°F 1974 | 24% | 2% |
| Dec 7 | 49°F | 25°F | 74°F 1998 | 0°F 1977 | 25% | 3% |
| Dec 8 | 49°F | 25°F | 74°F 1998 | 3°F 2002 | 25% | 3% |
| Dec 9 | 48°F | 25°F | 83°F 1943 | 5°F 1997 | 25% | 3% |
| Dec 10 | 48°F | 25°F | 80°F 1943 | 5°F 1995 | 25% | 3% |
| Dec 11 | 48°F | 25°F | 68°F 1905 | 5°F 1995 | 25% | 3% |
| Dec 12 | 48°F | 25°F | 75°F 1931 | 3°F 1988 | 25% | 3% |
| Dec 13 | 48°F | 25°F | 71°F 1927 | 4°F 1916 | 25% | 3% |
| Dec 14 | 47°F | 25°F | 68°F 1984 | 4°F 1942 | 25% | 3% |
| Dec 15 | 47°F | 25°F | 68°F 1984 | -1°F 1944 | 25% | 3% |
| Dec 16 | 47°F | 25°F | 67°F 1971 | 2°F 1989 | 25% | 3% |
| Dec 17 | 47°F | 24°F | 70°F 2006 | -2°F 1917 | 25% | 3% |
| Dec 18 | 46°F | 24°F | 71°F 1924 | -2°F 1917 | 25% | 3% |
| Dec 19 | 46°F | 24°F | 65°F 2024 | -1°F 1917 | 25% | 3% |
| Dec 20 | 46°F | 24°F | 65°F 1978 | -1°F 2004 | 25% | 3% |
| Dec 21 | 46°F | 24°F | 63°F 2013 | -2°F 1996 | 25% | 3% |
| Dec 22 | 46°F | 24°F | 65°F 1923 | -3°F 1989 | 25% | 3% |
| Dec 23 | 45°F | 24°F | 69°F 1940 | -7°F 1989 | 25% | 3% |
| Dec 24 | 45°F | 24°F | 66°F 2015 | -6°F 2022 | 25% | 3% |
| Dec 25 | 45°F | 24°F | 66°F 2015 | -9°F 1983 | 25% | 3% |
| Dec 26 | 45°F | 24°F | 67°F 1982 | -2°F 1983 | 25% | 3% |
| Dec 27 | 45°F | 23°F | 68°F 2019 | 0°F 1925 | 25% | 3% |
| Dec 28 | 45°F | 23°F | 70°F 1984 | -3°F 1925 | 25% | 3% |
| Dec 29 | 44°F | 23°F | 68°F 1984 | 3°F 1917 | 25% | 3% |
| Dec 30 | 44°F | 23°F | 73°F 2015 | -20°F 1917 | 25% | 3% |
| Dec 31 | 44°F | 23°F | 69°F 1992 | -5°F 1917 | 25% | 3% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 7:19 AM, sunset 5:11 PM
- December 31
- sunrise 7:37 AM, sunset 5:21 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00314496 (Jefferson 2 E), public domain. Records: NOAA GHCN-Daily, station USC00314496, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.