ERA5 almanac comparison — 8 years of real data
Destin vs Tulum: weather in May
Destin edges out Tulum for sun in May: 38% clear historically versus 16% (8-year ERA5 average, a 22-point gap). Both are viable — Destin is the safer bet.
Destin
FL
- Clear days, May
- 38%
- Sample size
- n=248 days
- Avg high
- 82°F
- Early May (1st–15th)
- 45%
- Late May (16th–end)
- 32%
- Rain frequency
- 41% of days
Tulum
Mexico
- Clear days, May
- 16%
- Sample size
- n=248 days
- Avg high
- 87°F
- Early May (1st–15th)
- 24%
- Late May (16th–end)
- 9%
- Rain frequency
- 51% of days
Frequently asked
Is Destin or Tulum warmer in May?
Tulum runs warmer by day in May. Destin averages highs of 82°F (highs n=248 days); Tulum averages highs of 87°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Destin or Tulum in May?
Days with measurable rain: Destin 41%, Tulum 51% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in May, Destin or Tulum?
Destin edges out Tulum for sun in May: 38% clear historically versus 16% (8-year ERA5 average, a 22-point gap). Both are viable — Destin is the safer bet.
Compare Destin 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.