Weather on December 21

Atlanta, GA

55 Years of Data

Avg High
52°F
Avg Low
35°F
Warmest
1998
63°F avg
Coldest
1976
23°F avg

About This Date

December 21st in Atlanta, GA typically brings cool winter weather, with average highs around 52°F and lows near 35°F. Over 55 years of records, the warmest December 21st was in 1998 (63°F average), while the coldest was 1976 (23°F) — a 40°F range across recorded history. Rain or other precipitation has occurred on about 42% of December 21st dates historically, with the wettest December 21st recording 3.78" of rain. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.

The last decade has been 3.6°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
1.2°F per decade on this date
YearHighLowAvgPrecipSnow
202558°32°45°0.03"
202446°31°39°
202357°26°42°
202252°40°46°
202143°40°41°0.64"
202060°36°48°
201948°40°44°0.25"
201850°40°45°1.3"
201758°53°55°0.03"
201662°29°46°
201560°42°51°1.09"
201450°45°47°
201371°48°60°0.03"
201246°33°40°
201168°57°63°2.9"
201055°33°44°0.03"
200954°25°40°
200865°30°48°0.43"
200751°46°49°0.13"
200654°49°51°
200544°26°35°
200461°22°41°
200352°21°36°
200256°29°42°
200157°28°43°
200032°20°26°0.41"
199951°41°46°1.85"
1998warmest73°53°63°0.15"
199759°42°51°0.25"
199644°20°32°
199540°26°33°
199454°44°49°0.43"
199346°33°40°
199251°40°45°0.38"
199163°37°50°
199052°42°47°0.03"
198942°21°32°
198866°46°56°
198755°49°52°2.62"
198656°39°47°
198538°20°29°
198467°57°62°
198337°33°35°0.13"
198254°32°43°
198134°15°24°0.2"
198035°27°31°
197945°34°39°
197867°36°51°0.69"
197741°24°33°
1976coldest29°18°23°
197538°26°32°
197454°35°44°
197332°23°28°
197260°56°58°3.78"
197170°53°61°
55 years of data from ATLANTA FULTON CO AP

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.