ERA5 almanac comparison — 8 years of real data
Jackson Hole vs McCall: weather in June
Essentially a tie in June: Jackson Hole is 30% clear historically, McCall is 30% clear (8-year ERA5 average) — within the noise. Avg high 70°F vs 69°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Jackson Hole
WY
- Clear days, June
- 30%
- Sample size
- n=240 days
- Avg high
- 70°F
- Early June (1st–15th)
- 25%
- Late June (16th–end)
- 34%
- Rain frequency
- 28% of days
McCall
ID
- Clear days, June
- 30%
- Sample size
- n=240 days
- Avg high
- 69°F
- Early June (1st–15th)
- 23%
- Late June (16th–end)
- 36%
- Rain frequency
- 32% of days
Frequently asked
Is Jackson Hole or McCall warmer in June?
Jackson Hole runs warmer by day in June. Jackson Hole averages highs of 70°F (highs n=240 days); McCall averages highs of 69°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Jackson Hole or McCall in June?
Days with measurable rain: Jackson Hole 28%, McCall 32% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in June, Jackson Hole or McCall?
Essentially a tie in June: Jackson Hole is 30% clear historically, McCall is 30% clear (8-year ERA5 average) — within the noise. Avg high 70°F vs 69°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Compare Jackson Hole vs McCall 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.