ERA5 almanac comparison — 8 years of real data
Cancún vs Costa Rica — Manuel Antonio: weather in November
Cancún edges out Costa Rica — Manuel Antonio for sun in November: 15% clear historically versus 4% (8-year ERA5 average, a 11-point gap). Costa Rica — Manuel Antonio also sees measurably more rain than Cancún this month (85% vs 58% of days). Both are viable — Cancún is the safer bet.
What you are reading: 8-year historical averages, not a forecast.
Either destination can still surprise you this specific November. For this
week’s actual forecast, each destination links to its live page below.
Cancún
MX
- Clear days, November
- 15%
- Sample size
- n=240 days
- Avg high
- 82°F
- Early November (1st–15th)
- 8%
- Late November (16th–end)
- 22%
- Rain frequency
- 58% of days
Costa Rica — Manuel Antonio
CR
- Clear days, November
- 4%
- Sample size
- n=240 days
- Avg high
- 81°F
- Early November (1st–15th)
- 1%
- Late November (16th–end)
- 7%
- Rain frequency
- 85% of days
Compare Cancún vs Costa Rica — Manuel Antonio 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.