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Climate · Aspen

Aspen in May

Cool and damp, as the days lengthen.

Typical weather, averaged over 30 years

May in Aspen is cool: highs near 59°F, lows near 30°F. Rain or snow falls on about three days a week, less often as the month goes on, and the days lengthen by 49 minutes from the first week to the last.May in Aspen is cool: highs near 15°C, lows near -1°C. Rain or snow falls on about three days a week, less often as the month goes on, and the days lengthen by 49 minutes from the first week to the last.

High
59°F15°Caverage
Low
30°F-1°Caverage
Wet days
3a week · 43% of days
Daylight
14h 19mon average

Is May a good time to visit Aspen?

May sits outside Aspen's best months, which run from June to September. Expect cool days and rain or snow on about three days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How May sits in the year

week by week

Temperature

Highs near 59°F in May, against 34°F to 80°F through the year.Highs near 15°C in May, against 1°C to 27°C through the year.

Chance of a wet day

43% of days in May, against 28% to 51% through the year.

Cloud cover

44% cover in May, against 28% to 50% through the year.

Daylight

14h 19m in May, against 9h 27m to 14h 53m through the year.

Week by week, lightly smoothed, with May shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. April50°10°low 23°low -5°4 wet days a weekRain on about four days a week.
  2. May59°15°low 30°low -1°3 wet days a weekRain on about three days a week.
  3. June73°23°low 37°low 3°2 wet days a weekRain on about two days a week.

Where Aspen sits, in May

America/Denver
this place
typical high in May 40°F4°C95°F35°C
Sunrise, mid-May
5:55 AMsets 8:12 PM
Above the sea
2,410 mhigh country
Latitude
39.2°Nnorthern hemisphere
Nearest of ours
Crested Butte38 km south

The land around Aspen, shaded by its typical high in May, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in United States in May

high · low · wet days
See May on the planning mapThe whole year in Aspen

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Aspen. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (2,410 m) against the climate model's (2,933 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (2,410 m) against the climate model's (2,933 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.