ERA5 almanac comparison — 8 years of real data
Cartagena vs Turks & Caicos: weather in October
Turks & Caicos edges out Cartagena for sun in October: 16% clear historically versus 1% (8-year ERA5 average, a 15-point gap). Cartagena also sees measurably more rain than Turks & Caicos this month (84% vs 48% of days). 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 October. For this
week’s actual forecast, each destination links to its live page below.
Cartagena
CO
- Clear days, October
- 1%
- Sample size
- n=248 days
- Avg high
- 85°F
- Early October (1st–15th)
- 0%
- Late October (16th–end)
- 2%
- Rain frequency
- 84% of days
Turks & Caicos
TC
- Clear days, October
- 16%
- Sample size
- n=248 days
- Avg high
- 84°F
- Early October (1st–15th)
- 18%
- Late October (16th–end)
- 15%
- Rain frequency
- 48% of days
Compare Cartagena 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.