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SunnyDays

ERA5 almanac comparison — 8 years of real data

Kiawah Island vs Scottsdale Desert Ridge: weather in August

Scottsdale Desert Ridge is the clear winner for sun in August: 78% of days historically clear versus just 10% in Kiawah Island — a 68-point gap across 8 years of ERA5 data. Kiawah Island also sees measurably more rain than Scottsdale Desert Ridge this month (64% vs 12% of days). This isn't close.

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.

Kiawah Island

SC

Clear days, August
10%
Sample size
n=248 days
Avg high
85°F
Early August (1st–15th)
8%
Late August (16th–end)
12%
Rain frequency
64% of days

Scottsdale Desert Ridge

AZ

Clear days, August
78%
Sample size
n=248 days
Avg high
104°F
Early August (1st–15th)
83%
Late August (16th–end)
73%
Rain frequency
12% of days

Compare Kiawah Island vs Scottsdale Desert Ridge 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.