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SunnyDays

ERA5 almanac comparison — 8 years of real data

Mazatlán vs Tucson: weather in June

Tucson edges out Mazatlán for sun in June: 89% clear historically versus 62% (8-year ERA5 average, a 27-point gap). Both are viable — Tucson is the safer bet.

What you are reading: 8-year historical averages, not a forecast. Either destination can still surprise you this specific June. For this week’s actual forecast, each destination links to its live page below.

Mazatlán

MX

Clear days, June
62%
Sample size
n=240 days
Avg high
86°F
Early June (1st–15th)
67%
Late June (16th–end)
58%

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

Compare Mazatlán 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 7-day outlook for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.