Climate almanac
Aspen
Colorado, United States · 39.19°, -106.82°
What is the climate like in Aspen?
The best time to visit Aspen is typically June – September, with trip comfort peaking in July (7.2/10). Aspen is warmest in July, when daily highs average 70°F (21°C), and coolest in December, when lows fall to about 7°F (-14°C). The wettest month is typically March and the driest is June; the year sees roughly 28 in (718 mm) of precipitation.
- Best time to visitJune – September — comfort peaks in July (7.2/10)
- Warmest monthJuly — average high 70°F (21°C)
- Coolest monthDecember — average low 7°F (-14°C)
- Wettest monthMarch (3.4 in (85 mm))
- Driest monthJune (1.4 in (37 mm))
- Annual precipitation28 in (718 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromAspen 1sw, 2 km away (1980-2026)