ERA5 almanac comparison — 8 years of real data
Cancún vs St. Augustine: weather in June
Essentially a tie in June: Cancún is 10% clear historically, St. Augustine is 14% clear (8-year ERA5 average) — within the noise. Avg high 86°F vs 85°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Cancún
Mexico
- Clear days, June
- 10%
- Sample size
- n=240 days
- Avg high
- 86°F
- Early June (1st–15th)
- 11%
- Late June (16th–end)
- 8%
- Rain frequency
- 62% of days
St. Augustine
FL
- Clear days, June
- 14%
- Sample size
- n=240 days
- Avg high
- 85°F
- Early June (1st–15th)
- 17%
- Late June (16th–end)
- 12%
- Rain frequency
- 64% of days
Frequently asked
Is Cancún or St. Augustine warmer in June?
Cancún runs warmer by day in June. Cancún averages highs of 86°F (highs n=240 days); St. Augustine averages highs of 85°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Cancún or St. Augustine in June?
Days with measurable rain: Cancún 62%, St. Augustine 64% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in June, Cancún or St. Augustine?
Essentially a tie in June: Cancún is 10% clear historically, St. Augustine is 14% clear (8-year ERA5 average) — within the noise. Avg high 86°F vs 85°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Compare Cancún 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.