Skip to main content
SunnyDays

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.

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

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.