Atlanta Weather in August
United States · Humid Subtropical climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
August in Atlanta sees average temperatures ranging from a low of 21.3°C (70.3°F) to a high of 30.6°C (87.1°F), with a mean of 25.4°C (77.7°F). Compared to the annual average of 16.7°C (62.1°F), this month is 8.7°C warmer than the yearly norm. Precipitation averages 147.7mm, making it approximately 12.0mm wetter than the monthly average of 136.0mm. The city receives an average of 10.8 hours of sunshine per day during August, with relative humidity averaging 76.7%. Wind speeds reach an average maximum of 14.5 km/h. For travelers, this month offers a temperature experience in Atlanta, with wetter-than-average conditions compared to the rest of the year.
Atlanta's humid subtropical climate creates hot summers and mild winters. I've studied the data and found that the city's tree canopy provides some relief from the summer heat. The best time for visiting is March to May and September to November, when temperatures are comfortable and the city's parks and outdoor attractions are most enjoyable.
August vs Adjacent Months
| Metric | July | August | September |
|---|---|---|---|
| Mean Temp | 25.7°C (78.3°F) | 25.4°C (77.7°F) | 22.1°C (71.8°F) |
| Rainfall | 226.7mm | 147.7mm | 177.4mm |
| Sunshine | 10.8 hrs | 10.8 hrs | 9.5 hrs |
| Humidity | 78.5% | 76.7% | 73.1% |
| Wind | 14.3 km/h | 14.5 km/h | 16.8 km/h |
| Rainy Days | 24.6 | 24.4 | 14.4 |
Seasonal Context
August falls in Summer in the Northern Hemisphere. Summer brings the warmest conditions of the year with the longest daylight hours. For travelers visiting Atlanta in August, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Atlanta in August?
The average temperature in Atlanta during August ranges from 21.3°C (70.3°F) to 30.6°C (87.1°F), with a mean of 25.4°C (77.7°F).
How much does it rain in Atlanta in August?
Atlanta receives an average of 147.7mm of precipitation in August, spread across approximately 24.4 rainy days.
What should I pack for Atlanta in August?
Based on August weather data, pack lightweight, breathable clothing, sunscreen, and a hat. Rain gear is essential — this month averages 147.7mm of precipitation.
Is August a good time to visit Atlanta?
August is a month with challenging conditions. Plan activities carefully and stay hydrated.
Other Months for Atlanta
Cities with Similar August Climate (Humid Subtropical)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 33.75°, -84.39°. Timezone: America/New_York. Last updated: 2026-07-30.