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SunnyDays

ERA5 almanac comparison — 8 years of real data

Scottsdale vs Sedona: weather in August

Scottsdale edges out Sedona for sun in August: 75% clear historically versus 57% (8-year ERA5 average, a 18-point gap). Both are viable — Scottsdale is the safer bet.

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

Scottsdale

AZ

Clear days, August
75%
Sample size
n=248 days
Avg high
105°F
Early August (1st–15th)
78%
Late August (16th–end)
73%
Rain frequency
14% of days

Sedona

AZ

Clear days, August
57%
Sample size
n=248 days
Avg high
91°F
Early August (1st–15th)
55%
Late August (16th–end)
59%
Rain frequency
18% of days

Compare Scottsdale vs Sedona 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.