ERA5 almanac comparison — 8 years of real data
Key West vs Tucson: weather in November
Tucson edges out Key West for sun in November: 56% clear historically versus 30% (8-year ERA5 average, a 26-point gap). Key West also sees measurably more rain than Tucson this month (28% vs 10% of days). Both are viable — Tucson is the safer bet.
Key West
FL
- Clear days, November
- 30%
- Sample size
- n=240 days
- Avg high
- 78°F
- Early November (1st–15th)
- 22%
- Late November (16th–end)
- 39%
- Rain frequency
- 28% of days
Tucson
AZ
- Clear days, November
- 56%
- Sample size
- n=240 days
- Avg high
- 75°F
- Early November (1st–15th)
- 73%
- Late November (16th–end)
- 38%
- Rain frequency
- 10% of days
Frequently asked
Is Key West or Tucson warmer in November?
Key West runs warmer by day in November. Key West averages highs of 78°F (highs n=240 days); Tucson averages highs of 75°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Key West or Tucson in November?
Key West is measurably wetter than Tucson. Days with measurable rain: Key West 28%, Tucson 10% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in November, Key West or Tucson?
Tucson edges out Key West for sun in November: 56% clear historically versus 30% (8-year ERA5 average, a 26-point gap). Key West also sees measurably more rain than Tucson this month (28% vs 10% of days). Both are viable — Tucson is the safer bet.
Compare Key West 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.