Set among Colorado’s Rocky Mountains, Aspen combines an established mountain resort culture with access to memorable high-altitude roads. Seasonal colours, dramatic passes and changing weather give journeys through the surrounding valleys their own rhythm. For grand touring, its attraction extends beyond the town to the landscape that unfolds on the approach.
Climate
Best time to visit · Jul
Temperature High / low °C
Daylight Hours a day
Rainfall 791 mm a year
Monthly averages for Aspen, 1991–2020.
Best time to visit: when clear, rainless days between 18 and 27 °C are likeliest.
Generated using Copernicus Climate Change Service information 2026 (CC BY 4.0).
Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.
| Month | High °C | Low °C | Rainfall mm | Rainy days | Daylight h |
|---|---|---|---|---|---|
| January | −4° | −15° | 65 | 13 | 9.8 |
| February | −3° | −14° | 69 | 14 | 10.8 |
| March | 1° | −10° | 76 | 14 | 12.0 |
| April | 5° | −7° | 91 | 15 | 13.3 |
| May | 10° | −3° | 62 | 13 | 14.3 |
| June | 18° | 1° | 38 | 9 | 14.9 |
| July | 21° | 6° | 68 | 13 | 14.6 |
| August | 20° | 6° | 77 | 15 | 13.6 |
| September | 16° | 2° | 60 | 12 | 12.4 |
| October | 9° | −5° | 61 | 10 | 11.1 |
| November | 1° | −14° | 61 | 11 | 10.0 |
| December | −4° | −17° | 63 | 13 | 9.5 |