ERA5 almanac comparison — 8 years of real data
Amelia Island vs Tulum: weather in August
Essentially a tie in August: Amelia Island is 9% clear historically, Tulum is 8% clear (8-year ERA5 average) — within the noise. Avg high 86°F vs 88°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Amelia Island
FL
- Clear days, August
- 9%
- Sample size
- n=248 days
- Avg high
- 86°F
- Early August (1st–15th)
- 8%
- Late August (16th–end)
- 9%
- Rain frequency
- 81% of days
Tulum
Mexico
- Clear days, August
- 8%
- Sample size
- n=248 days
- Avg high
- 88°F
- Early August (1st–15th)
- 7%
- Late August (16th–end)
- 9%
- Rain frequency
- 68% of days
Frequently asked
Is Amelia Island or Tulum warmer in August?
Tulum runs warmer by day in August. Amelia Island averages highs of 86°F (highs n=248 days); Tulum averages highs of 88°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Amelia Island or Tulum in August?
Days with measurable rain: Amelia Island 81%, Tulum 68% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in August, Amelia Island or Tulum?
Essentially a tie in August: Amelia Island is 9% clear historically, Tulum is 8% clear (8-year ERA5 average) — within the noise. Avg high 86°F vs 88°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Compare Amelia Island vs Tulum 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.