ERA5 almanac comparison — 8 years of real data
Jamaica vs Tampa: weather in December
Tampa edges out Jamaica for sun in December: 34% clear historically versus 21% (8-year ERA5 average, a 13-point gap). Jamaica also sees measurably more rain than Tampa this month (45% vs 23% of days). Both are viable — Tampa is the safer bet.
Jamaica
Jamaica
- Clear days, December
- 21%
- Sample size
- n=248 days
- Avg high
- 82°F
- Early December (1st–15th)
- 17%
- Late December (16th–end)
- 24%
- Rain frequency
- 45% of days
Tampa
FL
- Clear days, December
- 34%
- Sample size
- n=248 days
- Avg high
- 72°F
- Early December (1st–15th)
- 39%
- Late December (16th–end)
- 30%
- Rain frequency
- 23% of days
Frequently asked
Is Jamaica or Tampa warmer in December?
Jamaica runs warmer by day in December. Jamaica averages highs of 82°F (highs n=248 days); Tampa averages highs of 72°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Jamaica or Tampa in December?
Jamaica is measurably wetter than Tampa. Days with measurable rain: Jamaica 45%, Tampa 23% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in December, Jamaica or Tampa?
Tampa edges out Jamaica for sun in December: 34% clear historically versus 21% (8-year ERA5 average, a 13-point gap). Jamaica also sees measurably more rain than Tampa this month (45% vs 23% of days). Both are viable — Tampa is the safer bet.
Compare Jamaica vs Tampa 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.