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Atlanta weather

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EuropeanECMWF
19°
Overcast
Feels 20° · Wind 16 km/h · Humidity 87%
AmericanNOAA GFS
20°
Overcast
Feels 20° · Wind 19 km/h · Humidity 86%
GermanDWD ICON
20°
Overcast
Feels 20° · Wind 13 km/h · Humidity 89%

Latest for Atlanta: European (ECMWF): 19° Overcast · American (NOAA GFS): 20° Overcast · German (DWD ICON): 20° Overcast.

The weather map: all three models at once

European, American, German side by side around Atlanta and nearby towns.Live rain radar →
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Hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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10-day forecast, out to 14 days

where the models agree, and where they split

Heading to Atlanta? Atlanta, USA, sits at 33.7°N in a subtropical climate zone. Before you lock in outdoor plans, compare how the three global models - European (ECMWF), American (GFS) and German (ICON) - forecast Atlanta right now. Where they agree you can trust it; the days they split are exactly when a single weather app is least reliable. For a city break, the rain hours below tell you which days to plan indoors.

Best time to visit Atlanta

The most comfortable time to visit Atlanta is usually March, April, October and November, when daytime highs sit in the pleasant 16-26°C range and the heaviest July rain is behind you.

Atlanta weather by month

what to expect in Atlanta through the year, 1991-2020 normals, Atlanta Hartsfield Intl AP (WMO)

Here is Atlanta's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Atlanta by season.

Jan
12°
2°
Cool
Feb
14°
4°
Cool
Mar
19°
7°
Mild
Apr
23°
11°
Warm
May
27°
16°
Warm
Jun
31°
20°
Hot
Jul
32°
22°
Hot
Wettest
Aug
32°
22°
Hot
Sep
29°
19°
Hot
Oct
24°
13°
Warm
Nov
18°
7°
Mild
Dec
13°
4°
Cool

Atlanta compared with Toronto

30-year averages: daytime highs month by month, rain and sunlight

Warmer through the year

+9°C

average daytime high: Atlanta 23°C, Toronto 14°C

Rain over a year

+39%

Atlanta 1,281 mm, Toronto 924 mm

Sunlight vs a clear sky

76% vs 67%

solar energy reaching the ground as a share of a cloudless day, averaged over the year (not sunshine hours)

AtlantaTorontoaverage daytime high, °C, 1991-2020
January, Toronto: 0°CJanuary, Atlanta: 12°C (+12°C)February, Toronto: 1°CFebruary, Atlanta: 14°C (+13°C)March, Toronto: 5°CMarch, Atlanta: 19°C (+14°C)April, Toronto: 12°CApril, Atlanta: 23°C (+11°C)May, Toronto: 19°CMay, Atlanta: 27°C (+8°C)June, Toronto: 24°CJune, Atlanta: 31°C (+7°C)July, Toronto: 27°CJuly, Atlanta: 32°C (+5°C)August, Toronto: 26°CAugust, Atlanta: 32°C (+6°C)September, Toronto: 22°CSeptember, Atlanta: 29°C (+7°C)October, Toronto: 15°COctober, Atlanta: 24°C (+9°C)November, Toronto: 8°CNovember, Atlanta: 18°C (+10°C)December, Toronto: 3°CDecember, Atlanta: 13°C (+10°C)

On 30-year averages Atlanta runs 9°C warmer than Toronto, with every month between +5°C and +14°C. Over a year it gets 39% more rain than Toronto.

Month by month in numbers
MonthAtlantaTorontoDifferenceSunlight, AtlantaSunlight, Toronto
January12°C0°C+12°C73%56%
February14°C1°C+13°C69%57%
March19°C5°C+14°C73%64%
April23°C12°C+11°C78%67%
May27°C19°C+8°C80%72%
June31°C24°C+7°C79%76%
July32°C27°C+5°C80%79%
August32°C26°C+6°C80%79%
September29°C22°C+7°C79%76%
October24°C15°C+9°C78%63%
November18°C8°C+10°C78%60%
December13°C3°C+10°C70%54%

Daytime highs and lows on this page are 1991-2020 averages. Atlanta: station normals from Atlanta Hartsfield Intl AP (WMO), rain included. Toronto: station normals from Toronto City (WMO); rain is the CHELSA 1981-2010 climatology on a 1 km grid. Sunlight vs a clear sky is NASA POWER's long-term average of the solar energy reaching the ground as a share of a cloudless day; it compares cloudiness and is not a count of sunshine hours. Toronto stands in for Canada here; other cities have their own climate tables.

Common questions

When is the best time to visit Atlanta?
The most comfortable time to visit Atlanta is usually March, April, October and November, when daytime highs sit in the pleasant 16-26°C range and the heaviest July rain is behind you.
Will it rain in Atlanta during my trip?
Rain is where forecasts disagree most. Instead of trusting one app, the comparison above lines up the European, American and German models for Atlanta - check your dates and look for the days they agree; those are the ones you can plan around.
Which forecast is most accurate for Atlanta?
For destinations abroad we compare three open global models (ECMWF, GFS and ICON) and show you where they disagree, so you can judge the confidence yourself.
How much warmer is Atlanta than Toronto?
On 30-year averages (1991-2020) the daytime high in Atlanta is about 9°C warmer than in Toronto (23°C against 14°C), with the monthly gap between 5°C and 14°C.

More holiday weather

More CA weather