ERA5 almanac comparison — 8 years of real data
Atlanta vs St. Augustine: weather in August
Atlanta edges out St. Augustine for sun in August: 20% clear historically versus 6% (8-year ERA5 average, a 14-point gap). St. Augustine also sees measurably more rain than Atlanta this month (75% vs 59% of days). Both are viable — Atlanta is the safer bet.
Atlanta
GA
- Clear days, August
- 20%
- Sample size
- n=248 days
- Avg high
- 86°F
- Early August (1st–15th)
- 14%
- Late August (16th–end)
- 25%
- Rain frequency
- 59% of days
St. Augustine
FL
- Clear days, August
- 6%
- Sample size
- n=248 days
- Avg high
- 86°F
- Early August (1st–15th)
- 6%
- Late August (16th–end)
- 6%
- Rain frequency
- 75% of days
Frequently asked
Is Atlanta or St. Augustine warmer in August?
Equally warm by day in August. Atlanta averages highs of 86°F (highs n=248 days); St. Augustine averages highs of 86°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Atlanta or St. Augustine in August?
St. Augustine is measurably wetter than Atlanta. Days with measurable rain: Atlanta 59%, St. Augustine 75% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in August, Atlanta or St. Augustine?
Atlanta edges out St. Augustine for sun in August: 20% clear historically versus 6% (8-year ERA5 average, a 14-point gap). St. Augustine also sees measurably more rain than Atlanta this month (75% vs 59% of days). Both are viable — Atlanta is the safer bet.
Compare Atlanta vs St. Augustine in another month
All percentages are historical averages from the ERA5 reanalysis via Open-Meteo, 8 full years (2018–2025). “Clear” means avg high ≥ 72 °F, precipitation < 1 mm, and a non-precipitation weather code. This is history, not a forecast. The live forecast for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.