ERA5 almanac comparison — 8 years of real data
Asheville vs Jackson Hole: weather in August
Jackson Hole is the clear winner for sun in August: 58% of days historically clear versus just 25% in Asheville — a 33-point gap across 8 years of ERA5 data. Asheville also sees measurably more rain than Jackson Hole this month (51% vs 17% 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.
Asheville
NC
- Clear days, August
- 25%
- Sample size
- n=248 days
- Avg high
- 82°F
- Early August (1st–15th)
- 15%
- Late August (16th–end)
- 35%
- Rain frequency
- 51% of days
Jackson Hole
WY
- Clear days, August
- 58%
- Sample size
- n=248 days
- Avg high
- 79°F
- Early August (1st–15th)
- 58%
- Late August (16th–end)
- 58%
- Rain frequency
- 17% of days
Compare Asheville vs Jackson Hole 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.