| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 12.2° | 0.6° | 102.7mm | 10.6 | 52 |
| February | 14.8° | 2.5° | 104mm | 10.5 | 62 |
| March | 19.2° | 6.2° | 116.1mm | 10.6 | 76 |
| April | 23.5° | 9.9° | 93.9mm | 9.2 | 82 |
| May | 27.4° | 14.9° | 92.2mm | 10 | 78 |
| June | 30.9° | 19.3° | 93mm | 11.8 | 61 |
| July | 32.2° | 21.3° | 123.7mm | 12.6 | 54 |
| August | 32° | 21° | 97.6mm | 11.1 | 58 |
| September | 28.9° | 17.4° | 93mm | 8.5 | 75 |
| October | 23.8° | 10.9° | 78.5mm | 8 | 84 |
| November | 18.3° | 5.2° | 87.2mm | 8.5 | 78 |
| December | 13.7° | 2.4° | 110.1mm | 10.5 | 59 |
January in Atlanta averages a daily high of 12.2°C with nights around 0.6°C. Expect roughly 10.6 wet days totalling 102.7mm. Demanding conditions — pack for it and plan indoor options.
February in Atlanta averages a daily high of 14.8°C with nights around 2.5°C. Expect roughly 10.5 wet days totalling 104mm. Generally workable, with some weather to plan around.
March in Atlanta averages a daily high of 19.2°C with nights around 6.2°C. Expect roughly 10.6 wet days totalling 116.1mm. Comfortable conditions for being outdoors all day.
April in Atlanta averages a daily high of 23.5°C with nights around 9.9°C. Expect roughly 9.2 wet days totalling 93.9mm. Comfortable conditions for being outdoors all day.
May in Atlanta averages a daily high of 27.4°C with nights around 14.9°C. Expect roughly 10 wet days totalling 92.2mm. Comfortable conditions for being outdoors all day.
June in Atlanta averages a daily high of 30.9°C with nights around 19.3°C. Expect roughly 11.8 wet days totalling 93mm. Generally workable, with some weather to plan around.
July in Atlanta averages a daily high of 32.2°C with nights around 21.3°C. Expect roughly 12.6 wet days totalling 123.7mm. Demanding conditions — pack for it and plan indoor options.
August in Atlanta averages a daily high of 32°C with nights around 21°C. Expect roughly 11.1 wet days totalling 97.6mm. Generally workable, with some weather to plan around.
September in Atlanta averages a daily high of 28.9°C with nights around 17.4°C. Expect roughly 8.5 wet days totalling 93mm. Comfortable conditions for being outdoors all day.
October in Atlanta averages a daily high of 23.8°C with nights around 10.9°C. Expect roughly 8 wet days totalling 78.5mm. Comfortable conditions for being outdoors all day.
November in Atlanta averages a daily high of 18.3°C with nights around 5.2°C. Expect roughly 8.5 wet days totalling 87.2mm. Comfortable conditions for being outdoors all day.
December in Atlanta averages a daily high of 13.7°C with nights around 2.4°C. Expect roughly 10.5 wet days totalling 110.1mm. Generally workable, with some weather to plan around.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Atlanta peaks at 84.
Based on 30 years of records, March–May scores highest for comfort in Atlanta, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 32.2°C.
July is the wettest, averaging 123.7mm of rain across roughly 12.6 wet days.
January is the coolest month, with average daily highs around 12.2°C.