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SunnyDays

ERA5 almanac comparison — 8 years of real data

Cape Cod vs Moab: weather in July

Moab is the clear winner for sun in July: 90% of days historically clear versus just 42% in Cape Cod — a 48-point gap across 8 years of ERA5 data. This isn't close.

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

Cape Cod

MA

Clear days, July
42%
Sample size
n=248 days
Avg high
80°F
Early July (1st–15th)
44%
Late July (16th–end)
41%

Moab

UT

Clear days, July
90%
Sample size
n=248 days
Avg high
98°F
Early July (1st–15th)
93%
Late July (16th–end)
88%
Rain frequency
1% of days

Compare Cape Cod vs Moab 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.