ERA5 almanac comparison — 8 years of real data
Fort Lauderdale vs Tucson: weather in December
Essentially a tie in December: Fort Lauderdale is 27% clear historically, Tucson is 27% clear (8-year ERA5 average) — within the noise. Avg high 77°F vs 67°F. Fort Lauderdale also sees measurably more rain than Tucson this month (39% vs 13% of days). Pick based on flight time or price, not weather — the weather won't decide this one for you.
Fort Lauderdale
FL
- Clear days, December
- 27%
- Sample size
- n=248 days
- Avg high
- 77°F
- Early December (1st–15th)
- 33%
- Late December (16th–end)
- 22%
- Rain frequency
- 39% of days
Tucson
AZ
- Clear days, December
- 27%
- Sample size
- n=248 days
- Avg high
- 67°F
- Early December (1st–15th)
- 25%
- Late December (16th–end)
- 28%
- Rain frequency
- 13% of days
Frequently asked
Is Fort Lauderdale or Tucson warmer in December?
Fort Lauderdale runs warmer by day in December. Fort Lauderdale averages highs of 77°F (highs n=248 days); Tucson averages highs of 67°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Fort Lauderdale or Tucson in December?
Fort Lauderdale is measurably wetter than Tucson. Days with measurable rain: Fort Lauderdale 39%, Tucson 13% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in December, Fort Lauderdale or Tucson?
Essentially a tie in December: Fort Lauderdale is 27% clear historically, Tucson is 27% clear (8-year ERA5 average) — within the noise. Avg high 77°F vs 67°F. Fort Lauderdale also sees measurably more rain than Tucson this month (39% vs 13% of days). Pick based on flight time or price, not weather — the weather won't decide this one for you.
Compare Fort Lauderdale vs Tucson 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.