ERA5 almanac comparison — 8 years of real data
Houston vs Turks & Caicos: weather in December
Turks & Caicos edges out Houston for sun in December: 27% clear historically versus 6% (8-year ERA5 average, a 21-point gap). Both are viable — Turks & Caicos is the safer bet.
Houston
TX
- Clear days, December
- 6%
- Sample size
- n=248 days
- Avg high
- 67°F
- Early December (1st–15th)
- 5%
- Late December (16th–end)
- 6%
- Rain frequency
- 37% of days
Turks & Caicos
Turks & Caicos Is
- Clear days, December
- 27%
- Sample size
- n=248 days
- Avg high
- 79°F
- Early December (1st–15th)
- 25%
- Late December (16th–end)
- 29%
- Rain frequency
- 30% of days
Frequently asked
Is Houston or Turks & Caicos warmer in December?
Turks & Caicos runs warmer by day in December. Houston averages highs of 67°F (highs n=248 days); Turks & Caicos averages highs of 79°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Houston or Turks & Caicos in December?
Days with measurable rain: Houston 37%, Turks & Caicos 30% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in December, Houston or Turks & Caicos?
Turks & Caicos edges out Houston for sun in December: 27% clear historically versus 6% (8-year ERA5 average, a 21-point gap). Both are viable — Turks & Caicos is the safer bet.
Compare Houston 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 forecast for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.