ERA5 almanac comparison — 8 years of real data
Gulf Shores vs Kiawah Island: weather in August
Essentially a tie in August: Gulf Shores is 14% clear historically, Kiawah Island is 10% clear (8-year ERA5 average) — within the noise. Avg high 87°F vs 85°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
What you are reading: 8-year historical averages, not a forecast.
Either destination can still surprise you this specific August. For this
week’s actual forecast, each destination links to its live page below.
Gulf Shores
AL
- Clear days, August
- 14%
- Sample size
- n=248 days
- Avg high
- 87°F
- Early August (1st–15th)
- 12%
- Late August (16th–end)
- 16%
- Rain frequency
- 62% of days
Kiawah Island
SC
- Clear days, August
- 10%
- Sample size
- n=248 days
- Avg high
- 85°F
- Early August (1st–15th)
- 8%
- Late August (16th–end)
- 12%
- Rain frequency
- 64% of days
Compare Gulf Shores vs Kiawah Island 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 7-day outlook for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.