Monthly climate averages for Chamblee, United States. Based on 10-year ERA5 reanalysis data.
Cfa Humid Subtropical
Climate OverviewChamblee, United States in May has warm conditions, with highs averaging 25.7°C (78°F). Rain falls on about 12 days this month.
This month falls at the end of Spring.
Daily highs in May gradually rise from around 25°C (76°F) at the start to 27°C (81°F) by month's end.
Rainfall is heaviest during the last third of the month, while the first third tends to be drier.
The warmest days tend to fall around the 30th, averaging 27.1°C (81°F).
Compared to April, this month is about 4°C warmer with 3 more rainy days. Temperatures will rise further into June.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 26°C (78°F) are ideal for full-day outdoor exploration. Keep afternoons flexible as tropical showers are common — they typically clear within an hour.
Rain usually comes in shorter passing showers rather than all-day rain.
1 of the last 5 yearly records were warmer than this month's long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 11°C / 2°C | 8°C / -2°C | 10days (129 mm) Wet | 6.5h Fair | 71% Muggy | 3.4 Moderate | Poor | View Details |
| February | 15°C / 6°C | 13°C / 2°C | 12days (134 mm) Wet | 6.5h Fair | 74% Muggy | 4.4 Moderate | Fair | View Details |
| March | 18°C / 8°C | 17°C / 5°C | 12days (135 mm) Wet | 8.2h Good | 69% Muggy | 5.7 High | Good | View Details |
| April best | 22°C / 11°C | 21°C / 9°C | 9days (112 mm) Wet | 9.9h Good | 69% Muggy | 7.1 Very High | Excellent | View Details |
| May best | 26°C / 16°C | 27°C / 16°C | 12days (110 mm) Wet | 10.4h Excellent | 72% Muggy | 7.4 Very High | Excellent | View Details |
| June | 29°C / 20°C | 33°C / 22°C | 14days (114 mm) Wet | 11.3h Excellent | 73% Muggy | 8.1 Very High | Good | View Details |
| July | 31°C / 22°C | 36°C / 26°C | 17days (118 mm) Wet | 11.6h Excellent | 76% Humid | 8.1 Very High | Poor | View Details |
| August | 30°C / 21°C | 34°C / 24°C | 15days (132 mm) Wet | 10.5h Excellent | 78% Humid | 7.6 Very High | Fair | View Details |
| September best | 28°C / 19°C | 30°C / 20°C | 8days (97 mm) Wet | 9.7h Good | 71% Muggy | 6.6 High | Excellent | View Details |
| October best | 23°C / 14°C | 23°C / 12°C | 7days (84 mm) Good | 8.5h Good | 70% Muggy | 5.3 High | Excellent | View Details |
| November | 17°C / 8°C | 15°C / 5°C | 7days (81 mm) Good | 7.3h Good | 70% Muggy | 3.9 Moderate | Good | View Details |
| December | 13°C / 5°C | 10°C / 1°C | 10days (125 mm) Wet | 5.9h Fair | 75% Muggy | 3.1 Moderate | Fair | View Details |
Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.
A waterproof jacket or compact umbrella is recommended for occasional showers.
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