ERA5 almanac comparison — 8 years of real data
Kiawah Island vs Tampa: weather in March
Tampa is the clear winner for sun in March: 52% of days historically clear versus just 14% in Kiawah Island — a 38-point gap across 8 years of ERA5 data. This isn't close.
Kiawah Island
SC
- Clear days, March
- 14%
- Sample size
- n=248 days
- Avg high
- 68°F
- Early March (1st–15th)
- 12%
- Late March (16th–end)
- 16%
- Rain frequency
- 30% of days
Tampa
FL
- Clear days, March
- 52%
- Sample size
- n=248 days
- Avg high
- 78°F
- Early March (1st–15th)
- 49%
- Late March (16th–end)
- 54%
- Rain frequency
- 22% of days
Frequently asked
Is Kiawah Island or Tampa warmer in March?
Tampa runs warmer by day in March. Kiawah Island averages highs of 68°F (highs n=248 days); Tampa averages highs of 78°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Kiawah Island or Tampa in March?
Days with measurable rain: Kiawah Island 30%, Tampa 22% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in March, Kiawah Island or Tampa?
Tampa is the clear winner for sun in March: 52% of days historically clear versus just 14% in Kiawah Island — a 38-point gap across 8 years of ERA5 data. This isn't close.
Compare Kiawah Island vs Tampa 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.