Jefferson County Weather in December
Average highs run from 65°F on December 1 to 59°F on December 31, and lows from 40°F to 37°F. Normal precipitation for the month is 5.32 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
- 62°F
- Average low
- 38°F
- Precipitation
- 5.32 in
- Record high
- 89°FDec 26, 1916
- Record low
- 5°FDec 23, 1989
- Chance of a freeze
- 98%
- Daylight
- 10 h 14 min to 10 h 07 min
- Cloud cover
- 62%
- Humidity
- 84%
- Dew point
- 44°F
- Wind
- 5.8 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 | 65°F | 40°F | 80°F 1922 | 23°F 1911 | 27% | 0% |
| Dec 2 | 64°F | 40°F | 83°F 1982 | 18°F 1960 | 27% | 0% |
| Dec 3 | 64°F | 40°F | 82°F 1906 | 20°F 1929 | 28% | 0% |
| Dec 4 | 64°F | 39°F | 81°F 1906 | 22°F 1929 | 28% | 0% |
| Dec 5 | 64°F | 39°F | 81°F 1933 | 21°F 2006 | 28% | 0% |
| Dec 6 | 63°F | 39°F | 83°F 1951 | 23°F 1937 | 28% | 0% |
| Dec 7 | 63°F | 39°F | 83°F 1978 | 18°F 1937 | 28% | 0% |
| Dec 8 | 63°F | 39°F | 81°F 1951 | 21°F 2006 | 28% | 0% |
| Dec 9 | 63°F | 39°F | 82°F 2022 | 17°F 1917 | 29% | 0% |
| Dec 10 | 62°F | 39°F | 82°F 2007 | 20°F 1917 | 29% | 0% |
| Dec 11 | 62°F | 39°F | 84°F 2021 | 20°F 1962 | 29% | 0% |
| Dec 12 | 62°F | 39°F | 81°F 1961 | 15°F 1957 | 29% | 0% |
| Dec 13 | 62°F | 38°F | 82°F 2007 | 9°F 1962 | 29% | 0% |
| Dec 14 | 62°F | 38°F | 82°F 1987 | 10°F 1962 | 29% | 0% |
| Dec 15 | 62°F | 38°F | 79°F 1908 | 11°F 1901 | 29% | 0% |
| Dec 16 | 61°F | 38°F | 84°F 1924 | 15°F 1943 | 29% | 0% |
| Dec 17 | 61°F | 38°F | 83°F 1933 | 17°F 1932 | 29% | 0% |
| Dec 18 | 61°F | 38°F | 79°F 2016 | 19°F 1943 | 29% | 0% |
| Dec 19 | 61°F | 38°F | 81°F 2021 | 19°F 1975 | 30% | 0% |
| Dec 20 | 61°F | 38°F | 80°F 1967 | 12°F 1901 | 30% | 0% |
| Dec 21 | 61°F | 38°F | 80°F 1967 | 17°F 1901 | 30% | 0% |
| Dec 22 | 60°F | 38°F | 78°F 1931 | 8°F 1989 | 30% | 0% |
| Dec 23 | 60°F | 37°F | 80°F 1903 | 5°F 1989 | 30% | 0% |
| Dec 24 | 60°F | 37°F | 80°F 1933 | 8°F 1989 | 30% | 0% |
| Dec 25 | 60°F | 37°F | 81°F 1942 | 8°F 1983 | 30% | 0% |
| Dec 26 | 60°F | 37°F | 89°F 1916 | 14°F 1983 | 30% | 0% |
| Dec 27 | 60°F | 37°F | 82°F 2015 | 17°F 1892 | 30% | 0% |
| Dec 28 | 60°F | 37°F | 80°F 2008 | 15°F 1925 | 30% | 0% |
| Dec 29 | 60°F | 37°F | 81°F 2021 | 13°F 1894 | 30% | 0% |
| Dec 30 | 59°F | 37°F | 80°F 1984 | 12°F 1917 | 30% | 0% |
| Dec 31 | 59°F | 37°F | 83°F 2021 | 12°F 1983 | 30% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- December 1
- sunrise 6:46 AM, sunset 5:00 PM
- December 31
- sunrise 7:04 AM, sunset 5:11 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00227132 (Port Gibson 1 Ne), public domain. Records: NOAA GHCN-Daily, station USC00226177, 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.