ERA5 almanac comparison — 8 years of real data
Miami vs Palm Beach: weather in December
Essentially a tie in December: Miami is 28% clear historically, Palm Beach is 27% clear (8-year ERA5 average) — within the noise. Avg high 77°F vs 76°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Miami
FL
- Clear days, December
- 28%
- Sample size
- n=248 days
- Avg high
- 77°F
- Early December (1st–15th)
- 35%
- Late December (16th–end)
- 21%
- Rain frequency
- 41% of days
Palm Beach
FL
- Clear days, December
- 27%
- Sample size
- n=248 days
- Avg high
- 76°F
- Early December (1st–15th)
- 34%
- Late December (16th–end)
- 21%
- Rain frequency
- 34% of days
Frequently asked
Is Miami or Palm Beach warmer in December?
Miami runs warmer by day in December. Miami averages highs of 77°F (highs n=248 days); Palm Beach averages highs of 76°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Miami or Palm Beach in December?
Days with measurable rain: Miami 41%, Palm Beach 34% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in December, Miami or Palm Beach?
Essentially a tie in December: Miami is 28% clear historically, Palm Beach is 27% clear (8-year ERA5 average) — within the noise. Avg high 77°F vs 76°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Compare Miami vs Palm Beach 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.