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Best time to visit · Colorado, United States
On the climate data, the best time to visit Aspen is June – September, scoring up to 95/100 with highs around 74°F (24°C) and 0.8 in (21 mm) of rain in June. May is a good shoulder-season month. The toughest months are February & March and December, mainly because of cool days.
Highs run from 30°F to 80°F across the year, and the yearly total is about 20.7 in (527 mm) of rain and snow.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 30°F-1°C | 31°F-1°C | 38°F4°C | 48°F9°C | 60°F16°C | 74°F24°C | 80°F27°C | 76°F25°C | 69°F20°C | 54°F12°C | 41°F5°C | 30°F-1°C |
| Avg low | 10°F-12°C | 10°F-12°C | 17°F-8°C | 27°F-3°C | 36°F2°C | 45°F7°C | 52°F11°C | 49°F10°C | 42°F6°C | 32°F0°C | 21°F-6°C | 10°F-12°C |
| Rain/snow | 1.9 in48 mm | 1.8 in45 mm | 1.8 in45 mm | 2.0 in51 mm | 1.7 in43 mm | 0.8 in21 mm | 1.9 in47 mm | 1.8 in45 mm | 1.8 in46 mm | 1.7 in43 mm | 1.7 in42 mm | 2.0 in51 mm |
| Humidity | 91% | 94% | 89% | 74% | 63% | 50% | 56% | 58% | 56% | 63% | 75% | 89% |
| Cloud | 59% | 68% | 64% | 67% | 64% | 46% | 53% | 54% | 44% | 51% | 55% | 62% |
| Comfort | 49 | 47 | 48 | 59 | 81 | 95 | 92 | 91 | 95 | 75 | 53 | 48 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. Temperatures were adjusted from the grid cell's ~3,268 m (10,722 ft) to Aspen's ~2,405 m (7,891 ft) elevation using the standard lapse rate of 6.5°C per 1,000 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The cold peaks here: highs near 30°F (-1°C), and nights reach 10°F (-12°C). It's the wettest season, with about 5.7 in (144 mm) of rain or snow, 27% of the year's total. December – February are cold enough for snow. Comfort scores bottom out in February and December; the season averages 48/100.
Temperatures climb through the season, from 38°F highs in March to 60°F by May. About 5.5 in (139 mm) of rain or snow falls across these months, 26% of the year's total. March & April are cold enough for snow. It holds the toughest stretch on our comfort score (March), averaging 63/100.
The warmest stretch of the year, with highs of 74–80°F (24–27°C). It's the driest season, with only about 4.4 in (113 mm) of rain, 21% of the year's total. Lows bottom out around 45°F (7°C). June – August are among the best-scoring months (season average 93/100).
Temperatures slide from 69°F highs in September to 41°F by November. About 5.2 in (131 mm) of rain or snow falls across these months, 25% of the year's total. November is cold enough for snow. Comfort peaks here: September ranks with the year's best, and the season averages 74/100.
By comfort score: 6 Great and 6 Fair. Great months: May – October. Tap a month for its own guide.
On the climate data, the best time to visit Aspen is June – September, scoring up to 95/100 with highs around 74°F (24°C) and 0.8 in (21 mm) of rain in June. May is a good shoulder-season month. The toughest months are February & March and December, mainly because of cool days.
April is the wettest month, averaging about 2.0 in (51 mm) of rain or snow. June is the driest, with about 0.8 in (21 mm). The yearly total is around 20.7 in (527 mm).
January is the coldest, with average lows of 10°F (-12°C) and highs of 30°F (-1°C). The warmest is July, with average highs of 80°F (27°C).
Not very: summer (June – August) humidity averages 55%, and highs peak around 80°F (27°C), so it rarely feels sticky.
On average, yes: lows fall below 32°F (0°C) in November – April, bottoming out around 10°F (-12°C) in January.
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