ERA5 almanac comparison — 8 years of real data
Kiawah Island vs Naples: weather in August
Kiawah Island edges out Naples for sun in August: 10% clear historically versus 2% (8-year ERA5 average, a 8-point gap). Naples also sees measurably more rain than Kiawah Island this month (85% vs 64% of days). Both are viable — Kiawah Island is the safer bet.
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.
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
Naples
FL
- Clear days, August
- 2%
- Sample size
- n=248 days
- Avg high
- 89°F
- Early August (1st–15th)
- 1%
- Late August (16th–end)
- 2%
- Rain frequency
- 85% of days
Compare Kiawah Island vs Naples 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.