Weather on December 21
Atlanta, GA
55 Years of Data
Avg High
54°F
Avg Low
35°F
Warmest
1998
63°F avg
Coldest
1981
23°F avg
About This Date
December 21st in Atlanta, GA typically brings cool winter weather, with average highs around 54°F and lows near 35°F. Over 51 years of records, the warmest December 21st was in 1998 (63°F average), while the coldest was 1981 (23°F) — a 40°F range across recorded history. Rain or other precipitation has occurred on about 39% of December 21st dates historically, with the wettest December 21st recording 3.07" of rain. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Atlanta, GA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 60° | 34° | 47° | — | — |
| 2024 | 46° | 29° | 38° | — | — |
| 2023 | 58° | 24° | 41° | — | — |
| 2022 | 50° | 39° | 45° | — | — |
| 2021 | 43° | 39° | 41° | 0.41" | — |
| 2020 | 58° | 37° | 47° | — | — |
| 2019 | 46° | 42° | 44° | 0.3" | — |
| 2018 | 49° | 38° | 43° | 1.78" | — |
| 2017 | 57° | 51° | 54° | — | — |
| 2016 | 63° | 29° | 46° | — | — |
| 2015 | 60° | 44° | 52° | 0.97" | — |
| 2014 | 48° | 44° | 46° | — | — |
| 2013 | 69° | 50° | 60° | 0.03" | — |
| 2012 | 44° | 32° | 38° | — | — |
| 2011 | 65° | 56° | 60° | 2.44" | — |
| 2010 | 50° | 35° | 43° | 0.1" | — |
| 2009 | 52° | 26° | 39° | — | — |
| 2008 | 65° | 29° | 47° | 0.51" | — |
| 2007 | 49° | 45° | 47° | 0.46" | — |
| 2006 | 53° | 47° | 50° | 0.03" | — |
| 2005 | 46° | 26° | 36° | — | — |
| 2004 | 60° | 21° | 41° | — | — |
| 2003 | 49° | 21° | 35° | — | — |
| 2002 | 56° | 31° | 43° | — | — |
| 2001 | 57° | 32° | 45° | — | — |
| 2000 | 31° | 22° | 26° | 0.46" | — |
| 1999 | 50° | 41° | 46° | 1.7" | — |
| 1998warmest | 72° | 55° | 63° | 0.05" | — |
| 1994 | 57° | 38° | 47° | — | — |
| 1992 | 62° | 44° | 53° | — | — |
| 1991 | 49° | 27° | 38° | — | — |
| 1990 | 51° | 41° | 46° | — | — |
| 1989 | 45° | 32° | 38° | — | — |
| 1988 | 66° | 31° | 48° | — | — |
| 1987 | 62° | 48° | 55° | 0.61" | — |
| 1986 | 58° | 31° | 44° | — | — |
| 1985 | 45° | 18° | 31° | — | — |
| 1984 | 69° | 54° | 61° | — | — |
| 1983 | 42° | 33° | 38° | — | — |
| 1982 | 55° | 28° | 42° | — | — |
| 1981coldest | 37° | 8° | 23° | — | — |
| 1980 | 43° | 26° | 34° | — | — |
| 1979 | 58° | 23° | 40° | — | — |
| 1978 | 73° | 51° | 62° | 0.89" | — |
| 1977 | 56° | 27° | 41° | — | — |
| 1976 | 57° | 19° | 38° | 0.94" | — |
| 1975 | 44° | 19° | 32° | — | — |
| 1974 | 46° | 39° | 43° | 0.1" | — |
| 1973 | 43° | 25° | 34° | 1.6" | — |
| 1972 | 61° | 51° | 56° | 3.07" | — |
| 1971 | 66° | 42° | 54° | 0.2" | — |
51 years of data from ATLANTA DEKALB PEACHTREE AP