ERA5 almanac comparison — 8 years of real data
Sea Island vs Tampa: weather in October
Essentially a tie in October: Sea Island is 42% clear historically, Tampa is 41% clear (8-year ERA5 average) — within the noise. Avg high 77°F vs 84°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Sea Island
GA
- Clear days, October
- 42%
- Sample size
- n=248 days
- Avg high
- 77°F
- Early October (1st–15th)
- 40%
- Late October (16th–end)
- 44%
- Rain frequency
- 30% of days
Tampa
FL
- Clear days, October
- 41%
- Sample size
- n=248 days
- Avg high
- 84°F
- Early October (1st–15th)
- 32%
- Late October (16th–end)
- 50%
- Rain frequency
- 32% of days
Frequently asked
Is Sea Island or Tampa warmer in October?
Tampa runs warmer by day in October. Sea Island averages highs of 77°F (highs n=248 days); Tampa averages highs of 84°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Sea Island or Tampa in October?
Days with measurable rain: Sea Island 30%, Tampa 32% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in October, Sea Island or Tampa?
Essentially a tie in October: Sea Island is 42% clear historically, Tampa is 41% clear (8-year ERA5 average) — within the noise. Avg high 77°F vs 84°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Compare Sea 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.