ERA5 almanac comparison — 8 years of real data
Key West vs Naples: weather in October
Naples edges out Key West for sun in October: 23% clear historically versus 13% (8-year ERA5 average, a 10-point gap). Both are viable — Naples is the safer bet.
Key West
FL
- Clear days, October
- 13%
- Sample size
- n=248 days
- Avg high
- 82°F
- Early October (1st–15th)
- 8%
- Late October (16th–end)
- 18%
- Rain frequency
- 52% of days
Naples
FL
- Clear days, October
- 23%
- Sample size
- n=248 days
- Avg high
- 86°F
- Early October (1st–15th)
- 12%
- Late October (16th–end)
- 34%
- Rain frequency
- 48% of days
Frequently asked
Is Key West or Naples warmer in October?
Naples runs warmer by day in October. Key West averages highs of 82°F (highs n=248 days); Naples averages highs of 86°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Key West or Naples in October?
Days with measurable rain: Key West 52%, Naples 48% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in October, Key West or Naples?
Naples edges out Key West for sun in October: 23% clear historically versus 13% (8-year ERA5 average, a 10-point gap). Both are viable — Naples is the safer bet.
Compare Key West 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.