ERA5 almanac comparison — 8 years of real data
Amelia Island vs St. Augustine: weather in March
Essentially a tie in March: Amelia Island is 25% clear historically, St. Augustine is 25% clear (8-year ERA5 average) — within the noise. Avg high 72°F vs 72°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Amelia Island
FL
- Clear days, March
- 25%
- Sample size
- n=248 days
- Avg high
- 72°F
- Early March (1st–15th)
- 22%
- Late March (16th–end)
- 27%
- Rain frequency
- 31% of days
St. Augustine
FL
- Clear days, March
- 25%
- Sample size
- n=248 days
- Avg high
- 72°F
- Early March (1st–15th)
- 22%
- Late March (16th–end)
- 28%
- Rain frequency
- 27% of days
Frequently asked
Is Amelia Island or St. Augustine warmer in March?
Equally warm by day in March. Amelia Island averages highs of 72°F (highs n=248 days); St. Augustine averages highs of 72°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Amelia Island or St. Augustine in March?
Days with measurable rain: Amelia Island 31%, St. Augustine 27% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in March, Amelia Island or St. Augustine?
Essentially a tie in March: Amelia Island is 25% clear historically, St. Augustine is 25% clear (8-year ERA5 average) — within the noise. Avg high 72°F vs 72°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.