Weather on December 21
Jackson, MS
55 Years of Data
Avg High
59°F
Avg Low
39°F
Warmest
1990
73°F avg
Coldest
1976
27°F avg
About This Date
December 21st in Jackson, MS typically brings cool winter weather, with average highs around 59°F and lows near 39°F. Over 55 years of records, the warmest December 21st was in 1990 (73°F average), while the coldest was 1976 (27°F) — a 46°F range across recorded history. Rain or other precipitation has occurred on about 27% of December 21st dates historically, with the wettest December 21st recording 3.91" of rain. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Jackson, MS? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 57° | 62° | — | — |
| 2024 | 50° | 32° | 41° | — | — |
| 2023 | 59° | 35° | 47° | — | — |
| 2022 | 49° | 44° | 46° | — | — |
| 2021 | 54° | 37° | 45° | — | — |
| 2020 | 65° | 36° | 50° | — | — |
| 2019 | 53° | 46° | 50° | 1.09" | — |
| 2018 | 48° | 34° | 41° | — | — |
| 2017 | 73° | 49° | 61° | — | — |
| 2016 | 63° | 34° | 48° | — | — |
| 2015 | 66° | 54° | 60° | 3.91" | — |
| 2014 | 61° | 35° | 48° | — | — |
| 2013 | 79° | 57° | 68° | 3.63" | — |
| 2012 | 54° | 33° | 43° | — | — |
| 2011 | 65° | 48° | 56° | 0.03" | — |
| 2010 | 75° | 54° | 64° | — | — |
| 2009 | 65° | 32° | 48° | — | — |
| 2008 | 56° | 30° | 43° | — | — |
| 2007 | 70° | 52° | 61° | — | — |
| 2006 | 68° | 57° | 63° | 0.05" | — |
| 2005 | 46° | 31° | 38° | — | — |
| 2004 | 63° | 37° | 50° | — | — |
| 2003 | 64° | 27° | 45° | — | — |
| 2002 | 63° | 33° | 48° | — | — |
| 2001 | 64° | 32° | 48° | — | — |
| 2000 | 44° | 27° | 35° | 0.15" | — |
| 1999 | 45° | 30° | 37° | 1.27" | — |
| 1998 | 76° | 61° | 68° | — | — |
| 1997 | 69° | 52° | 60° | 2.39" | — |
| 1996 | 58° | 23° | 40° | — | — |
| 1995 | 40° | 31° | 35° | — | — |
| 1994 | 55° | 46° | 51° | 0.84" | — |
| 1993 | 46° | 26° | 36° | — | — |
| 1992 | 63° | 50° | 56° | 0.05" | — |
| 1991 | 76° | 53° | 64° | — | — |
| 1990warmest | 77° | 69° | 73° | 0.3" | — |
| 1989 | 42° | 18° | 30° | — | — |
| 1988 | 72° | 51° | 61° | — | — |
| 1987 | 51° | 48° | 50° | 1.17" | — |
| 1986 | 54° | 37° | 45° | — | — |
| 1985 | 47° | 27° | 37° | — | — |
| 1984 | 74° | 62° | 68° | — | — |
| 1983 | 61° | 38° | 49° | 1.17" | — |
| 1982 | 69° | 30° | 50° | — | — |
| 1981 | 66° | 40° | 53° | 0.56" | — |
| 1980 | 42° | 24° | 33° | — | — |
| 1979 | 66° | 44° | 55° | — | — |
| 1978 | 63° | 30° | 46° | — | — |
| 1977 | 40° | 25° | 32° | — | — |
| 1976coldest | 36° | 19° | 27° | — | — |
| 1975 | 45° | 29° | 37° | — | — |
| 1974 | 64° | 30° | 47° | — | — |
| 1973 | 41° | 23° | 32° | — | — |
| 1972 | 59° | 42° | 51° | 1.02" | — |
| 1971 | 70° | 47° | 58° | — | — |
55 years of data from JACKSON STATE