ERA5 almanac comparison — 8 years of real data
Aspen vs Moab: weather in October
Moab is the clear winner for sun in October: 41% of days historically clear versus just 2% in Aspen — a 39-point gap across 8 years of ERA5 data. This isn't close.
What you are reading: 8-year historical averages, not a forecast.
Either destination can still surprise you this specific October. For this
week’s actual forecast, each destination links to its live page below.
Aspen
CO
- Clear days, October
- 2%
- Sample size
- n=248 days
- Avg high
- 57°F
- Early October (1st–15th)
- 4%
- Late October (16th–end)
- 0%
- Rain frequency
- 28% of days
Moab
UT
- Clear days, October
- 41%
- Sample size
- n=248 days
- Avg high
- 70°F
- Early October (1st–15th)
- 55%
- Late October (16th–end)
- 27%
- Rain frequency
- 16% of days
Compare Aspen vs Moab 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.