ERA5 almanac comparison — 8 years of real data
Naples vs St. Augustine: weather in August
Essentially a tie in August: Naples is 2% clear historically, St. Augustine is 6% clear (8-year ERA5 average) — within the noise. Avg high 89°F vs 86°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Naples
FL
- Clear days, August
- 2%
- Sample size
- n=248 days
- Avg high
- 89°F
- Early August (1st–15th)
- 1%
- Late August (16th–end)
- 2%
- Rain frequency
- 85% of days
St. Augustine
FL
- Clear days, August
- 6%
- Sample size
- n=248 days
- Avg high
- 86°F
- Early August (1st–15th)
- 6%
- Late August (16th–end)
- 6%
- Rain frequency
- 75% of days
Frequently asked
Is Naples or St. Augustine warmer in August?
Naples runs warmer by day in August. Naples averages highs of 89°F (highs n=248 days); St. Augustine averages highs of 86°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Naples or St. Augustine in August?
Days with measurable rain: Naples 85%, St. Augustine 75% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in August, Naples or St. Augustine?
Essentially a tie in August: Naples is 2% clear historically, St. Augustine is 6% clear (8-year ERA5 average) — within the noise. Avg high 89°F vs 86°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Compare Naples 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.