ERA5 almanac comparison — 8 years of real data
Birmingham vs Jackson Hole: weather in August
Jackson Hole is the clear winner for sun in August: 58% of days historically clear versus just 28% in Birmingham — a 30-point gap across 8 years of ERA5 data. Birmingham also sees measurably more rain than Jackson Hole this month (48% vs 17% of days). This isn't close.
Birmingham
AL
- Clear days, August
- 28%
- Sample size
- n=248 days
- Avg high
- 88°F
- Early August (1st–15th)
- 22%
- Late August (16th–end)
- 34%
- Rain frequency
- 48% 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
Frequently asked
Is Birmingham or Jackson Hole warmer in August?
Birmingham runs warmer by day in August. Birmingham averages highs of 88°F (highs n=248 days); Jackson Hole averages highs of 79°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Birmingham or Jackson Hole in August?
Birmingham is measurably wetter than Jackson Hole. Days with measurable rain: Birmingham 48%, Jackson Hole 17% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in August, Birmingham or Jackson Hole?
Jackson Hole is the clear winner for sun in August: 58% of days historically clear versus just 28% in Birmingham — a 30-point gap across 8 years of ERA5 data. Birmingham also sees measurably more rain than Jackson Hole this month (48% vs 17% of days). This isn't close.
Compare Birmingham 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 forecast for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.