ERA5 almanac comparison — 8 years of real data
Key West vs Sarasota: weather in December
Key West edges out Sarasota for sun in December: 41% clear historically versus 31% (8-year ERA5 average, a 10-point gap). Both are viable — Key West is the safer bet.
Key West
FL
- Clear days, December
- 41%
- Sample size
- n=248 days
- Avg high
- 75°F
- Early December (1st–15th)
- 48%
- Late December (16th–end)
- 35%
- Rain frequency
- 26% of days
Sarasota
FL
- Clear days, December
- 31%
- Sample size
- n=248 days
- Avg high
- 72°F
- Early December (1st–15th)
- 36%
- Late December (16th–end)
- 27%
- Rain frequency
- 22% of days
Frequently asked
Is Key West or Sarasota warmer in December?
Key West runs warmer by day in December. Key West averages highs of 75°F (highs n=248 days); Sarasota averages highs of 72°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Key West or Sarasota in December?
Days with measurable rain: Key West 26%, Sarasota 22% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in December, Key West or Sarasota?
Key West edges out Sarasota for sun in December: 41% clear historically versus 31% (8-year ERA5 average, a 10-point gap). Both are viable — Key West is the safer bet.
Compare Key West vs Sarasota 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.