ERA5 almanac comparison — 8 years of real data
Amelia Island vs St. Augustine: weather in October
Essentially a tie in October: Amelia Island is 34% clear historically, St. Augustine is 34% clear (8-year ERA5 average) — within the noise. Avg high 78°F vs 79°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Amelia Island
FL
- Clear days, October
- 34%
- Sample size
- n=248 days
- Avg high
- 78°F
- Early October (1st–15th)
- 30%
- Late October (16th–end)
- 37%
- Rain frequency
- 36% of days
St. Augustine
FL
- Clear days, October
- 34%
- Sample size
- n=248 days
- Avg high
- 79°F
- Early October (1st–15th)
- 28%
- Late October (16th–end)
- 39%
- Rain frequency
- 39% of days
Frequently asked
Is Amelia Island or St. Augustine warmer in October?
St. Augustine runs warmer by day in October. Amelia Island averages highs of 78°F (highs n=248 days); St. Augustine averages highs of 79°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Amelia Island or St. Augustine in October?
Days with measurable rain: Amelia Island 36%, St. Augustine 39% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in October, Amelia Island or St. Augustine?
Essentially a tie in October: Amelia Island is 34% clear historically, St. Augustine is 34% clear (8-year ERA5 average) — within the noise. Avg high 78°F vs 79°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Compare Amelia Island vs St. Augustine 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.