ERA5 almanac comparison — 8 years of real data
Kiawah Island vs Naples: weather in May
Kiawah Island edges out Naples for sun in May: 38% clear historically versus 28% (8-year ERA5 average, a 10-point gap). Both are viable — Kiawah Island is the safer bet.
Kiawah Island
SC
- Clear days, May
- 38%
- Sample size
- n=248 days
- Avg high
- 80°F
- Early May (1st–15th)
- 45%
- Late May (16th–end)
- 32%
- Rain frequency
- 37% of days
Naples
FL
- Clear days, May
- 28%
- Sample size
- n=248 days
- Avg high
- 87°F
- Early May (1st–15th)
- 34%
- Late May (16th–end)
- 23%
- Rain frequency
- 48% of days
Frequently asked
Is Kiawah Island or Naples warmer in May?
Naples runs warmer by day in May. Kiawah Island averages highs of 80°F (highs n=248 days); Naples averages highs of 87°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Kiawah Island or Naples in May?
Days with measurable rain: Kiawah Island 37%, Naples 48% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in May, Kiawah Island or Naples?
Kiawah Island edges out Naples for sun in May: 38% clear historically versus 28% (8-year ERA5 average, a 10-point gap). Both are viable — Kiawah Island is the safer bet.
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 forecast for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.