ERA5 almanac comparison — 8 years of real data
Jackson Hole vs Steamboat Springs: weather in December
Essentially a tie in December: Jackson Hole is 0% clear historically, Steamboat Springs is 0% clear (8-year ERA5 average) — within the noise. Avg high 31°F vs 34°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Jackson Hole
WY
- Clear days, December
- 0%
- Sample size
- n=248 days
- Avg high
- 31°F
- Early December (1st–15th)
- 0%
- Late December (16th–end)
- 0%
- Rain frequency
- 44% of days
Steamboat Springs
CO
- Clear days, December
- 0%
- Sample size
- n=248 days
- Avg high
- 34°F
- Early December (1st–15th)
- 0%
- Late December (16th–end)
- 0%
- Rain frequency
- 43% of days
Frequently asked
Is Jackson Hole or Steamboat Springs warmer in December?
Steamboat Springs runs warmer by day in December. Jackson Hole averages highs of 31°F (highs n=248 days); Steamboat Springs averages highs of 34°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Jackson Hole or Steamboat Springs in December?
Days with measurable rain: Jackson Hole 44%, Steamboat Springs 43% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in December, Jackson Hole or Steamboat Springs?
Essentially a tie in December: Jackson Hole is 0% clear historically, Steamboat Springs is 0% clear (8-year ERA5 average) — within the noise. Avg high 31°F vs 34°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Compare Jackson Hole vs Steamboat Springs 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.