Aspen, CO
Climate overview — based on NOAA 1991-2020 normals from ASPEN 1SW, CO US.
Year-round temperatures (°F)
Climate summary
Aspen has an annual average temperature of 40.6°F with about 24.5 inches of precipitation per year and 170.8 inches of snow. The warmest month is July (average high 75.5°F), and the coldest is January (average low 9.9°F). April is typically the wettest month (2.68 in) and June the driest (1.06 in). Snow typically falls from January through December.
Best time to visit Aspen
Full guide →Climate change signal
All-time records →41 of 366 (11.2%) of Aspen's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1980s | 81 | |
| 1990s | 100 | |
| 2000s | 117 | |
| 2010s | 36 | |
| 2020s | 32 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 32.0°F | 9.9°F | 20.9°F | 1.93 in | 28.1 in | 13 |
| February | 35.3°F | 12.5°F | 23.9°F | 2.23 in | 28.3 in | 13 |
| March | 42.7°F | 19.8°F | 31.2°F | 2.59 in | 26.9 in | 11 |
| April | 49.7°F | 26.6°F | 38.1°F | 2.68 in | 20.9 in | 13 |
| May | 60.0°F | 35.0°F | 47.5°F | 2.17 in | 7.0 in | 11 |
| June | 70.6°F | 42.2°F | 56.4°F | 1.06 in | 0.4 in | 7 |
| July | 75.5°F | 48.1°F | 61.8°F | 1.97 in | — | 11 |
| August | 73.1°F | 47.1°F | 60.1°F | 1.75 in | — | 13 |
| September | 66.9°F | 40.0°F | 53.4°F | 1.89 in | 1.0 in | 10 |
| October | 55.2°F | 29.8°F | 42.5°F | 2.09 in | 10.2 in | 9 |
| November | 41.6°F | 19.4°F | 30.5°F | 2.09 in | 20.5 in | 10 |
| December | 31.9°F | 10.3°F | 21.1°F | 2.00 in | 27.5 in | 12 |
Climate twins of Aspen
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).