ERA5 almanac comparison — 8 years of real data
Key West vs Tucson: weather in June
Tucson is the clear winner for sun in June: 89% of days historically clear versus just 14% in Key West — a 75-point gap across 8 years of ERA5 data. Key West also sees measurably more rain than Tucson this month (58% vs 4% of days). This isn't close.
Key West
FL
- Clear days, June
- 14%
- Sample size
- n=240 days
- Avg high
- 84°F
- Early June (1st–15th)
- 12%
- Late June (16th–end)
- 16%
- Rain frequency
- 58% of days
Tucson
AZ
- Clear days, June
- 89%
- Sample size
- n=240 days
- Avg high
- 101°F
- Early June (1st–15th)
- 95%
- Late June (16th–end)
- 83%
- Rain frequency
- 4% of days
Frequently asked
Is Key West or Tucson warmer in June?
Tucson runs warmer by day in June. Key West averages highs of 84°F (highs n=240 days); Tucson averages highs of 101°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Key West or Tucson in June?
Key West is measurably wetter than Tucson. Days with measurable rain: Key West 58%, Tucson 4% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in June, Key West or Tucson?
Tucson is the clear winner for sun in June: 89% of days historically clear versus just 14% in Key West — a 75-point gap across 8 years of ERA5 data. Key West also sees measurably more rain than Tucson this month (58% vs 4% of days). This isn't close.
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.