ERA5 almanac comparison — 8 years of real data
Mérida vs Virginia Beach: weather in October
Essentially a tie in October: Mérida is 20% clear historically, Virginia Beach is 19% clear (8-year ERA5 average) — within the noise. Avg high 89°F vs 70°F. Mérida also sees measurably more rain than Virginia Beach this month (51% vs 26% of days). Pick based on flight time or price, not weather — the weather won't decide this one for you.
Mérida
MX
- Clear days, October
- 20%
- Sample size
- n=248 days
- Avg high
- 89°F
- Early October (1st–15th)
- 12%
- Late October (16th–end)
- 28%
- Rain frequency
- 51% of days
Virginia Beach
VA
- Clear days, October
- 19%
- Sample size
- n=248 days
- Avg high
- 70°F
- Early October (1st–15th)
- 28%
- Late October (16th–end)
- 10%
- Rain frequency
- 26% of days
Compare Mérida vs Virginia Beach 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 7-day outlook for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.