ERA5 almanac comparison — 8 years of real data
Aruba vs St. Augustine: weather in November
St. Augustine edges out Aruba for sun in November: 23% clear historically versus 6% (8-year ERA5 average, a 17-point gap). Aruba also sees measurably more rain than St. Augustine this month (63% vs 36% of days). Both are viable — St. Augustine 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.
Aruba
AW
- Clear days, November
- 6%
- Sample size
- n=240 days
- Avg high
- 86°F
- Early November (1st–15th)
- 5%
- Late November (16th–end)
- 6%
- Rain frequency
- 63% of days
St. Augustine
FL
- Clear days, November
- 23%
- Sample size
- n=240 days
- Avg high
- 72°F
- Early November (1st–15th)
- 22%
- Late November (16th–end)
- 24%
- Rain frequency
- 36% of days
Compare Aruba 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 7-day outlook for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.