ERA5 almanac comparison — 8 years of real data
Naples vs Palm Desert: weather in December
Naples edges out Palm Desert for sun in December: 45% clear historically versus 27% (8-year ERA5 average, a 18-point gap). Both are viable — Naples is the safer bet.
Naples
FL
- Clear days, December
- 45%
- Sample size
- n=248 days
- Avg high
- 77°F
- Early December (1st–15th)
- 53%
- Late December (16th–end)
- 38%
- Rain frequency
- 21% of days
Palm Desert
CA
- Clear days, December
- 27%
- Sample size
- n=248 days
- Avg high
- 69°F
- Early December (1st–15th)
- 31%
- Late December (16th–end)
- 23%
- Rain frequency
- 12% of days
Frequently asked
Is Naples or Palm Desert warmer in December?
Naples runs warmer by day in December. Naples averages highs of 77°F (highs n=248 days); Palm Desert averages highs of 69°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Naples or Palm Desert in December?
Days with measurable rain: Naples 21%, Palm Desert 12% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in December, Naples or Palm Desert?
Naples edges out Palm Desert for sun in December: 45% clear historically versus 27% (8-year ERA5 average, a 18-point gap). Both are viable — Naples is the safer bet.
Compare Naples vs Palm Desert 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.