ERA5 almanac comparison — 8 years of real data
Amelia Island vs St. Martin: weather in November
Essentially a tie in November: Amelia Island is 20% clear historically, St. Martin is 17% clear (8-year ERA5 average) — within the noise. Avg high 71°F vs 78°F. St. Martin also sees measurably more rain than Amelia Island this month (52% vs 30% of days). Pick based on flight time or price, not weather — the weather won't decide this one for you.
Amelia Island
FL
- Clear days, November
- 20%
- Sample size
- n=240 days
- Avg high
- 71°F
- Early November (1st–15th)
- 19%
- Late November (16th–end)
- 20%
- Rain frequency
- 30% of days
St. Martin
SX
- Clear days, November
- 17%
- Sample size
- n=240 days
- Avg high
- 78°F
- Early November (1st–15th)
- 13%
- Late November (16th–end)
- 21%
- Rain frequency
- 52% of days
Compare Amelia Island vs St. Martin 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 7-day outlook for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.