ERA5 almanac comparison — 8 years of real data
Aruba vs Turks & Caicos: weather in January
Turks & Caicos edges out Aruba for sun in January: 34% clear historically versus 24% (8-year ERA5 average, a 10-point gap). Both are viable — Turks & Caicos is the safer bet.
What you are reading: 8-year historical averages, not a forecast.
Either destination can still surprise you this specific January. For this
week’s actual forecast, each destination links to its live page below.
Aruba
AW
- Clear days, January
- 24%
- Sample size
- n=248 days
- Avg high
- 84°F
- Early January (1st–15th)
- 22%
- Late January (16th–end)
- 25%
Turks & Caicos
TC
- Clear days, January
- 34%
- Sample size
- n=248 days
- Avg high
- 78°F
- Early January (1st–15th)
- 33%
- Late January (16th–end)
- 34%
Compare Aruba vs Turks & Caicos 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.