Atlanta's Temperature Extremes: Monthly Highs and Lows

Atlanta (humid subtropical, USDA Zone 7b/8a) experiences distinct seasonal variation. Based on 1991–2020 normals (NOAA):

Monthly Average Temperatures (°F / °C)

Coldest: January (avg low 34°F). Single digits rare but possible.
Hottest: July (avg high 90°F). 90°F+ days: ~45/year; 100°F+ days: ~2/year.
Freeze dates: Avg first freeze Nov 13; last freeze Mar 23. Growing season ~230 days.
Urban heat island: Downtown 2–5°F warmer than suburbs at night.

Data: NOAA NCEI, Atlanta Hartsfield-Jackson Airport (KATL). Microclimates vary across metro's 8,300 sq mi.

South America

Wanderlust World

Wanderlust World

Month	Avg High	Avg Low	Record High	Record Low
January	54 / 12	34 / 1	79 / 26 (1950)	-8 / -22 (1985)
February	58 / 14	37 / 3	81 / 27 (2018)	3 / -16 (2021)
March	66 / 19	43 / 6	89 / 32 (1907)	14 / -10 (1980)
April	73 / 23	50 / 10	93 / 34 (1986)	28 / -2 (1983)
May	80 / 27	59 / 15	96 / 36 (2019)	37 / 3 (1963)
June	87 / 31	67 / 19	106 / 41 (2012)	48 / 9 (1972)
July	90 / 32	71 / 22	105 / 41 (1980)	56 / 13 (1947)
August	89 / 32	70 / 21	104 / 40 (2007)	55 / 13 (1967)
September	83 / 28	64 / 18	99 / 37 (2019)	42 / 6 (1967)
October	73 / 23	52 / 11	94 / 34 (2019)	31 / -1 (1952)
November	63 / 17	42 / 6	85 / 29 (2016)	19 / -7 (1950)
December	55 / 13	36 / 2	79 / 26 (1984)	0 / -18 (1983)