Aspen, CO Weather & Climate Normals
What a normal year in Aspen actually looks like
On the 30-year record NOAA keeps for Aspen, CO, the comfort score comes out to 31/100, weather-driven: Heat, cold, snow, or rainfall here are heavy enough that they shape daily life for a large part of the year. Only 3 months a year land in the 55–75°F range this site treats as mild.
How much Aspen's weather actually swings
Average temperatures in Aspen run from 21°F in Jan up to 62°F in Jul, a 40.8°F seasonal swing, a middling gap by national standards.
Aspen, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 32°F | 10°F | 1.93in | 28.1in |
| Feb | 35°F | 13°F | 2.23in | 28.3in |
| Mar | 43°F | 20°F | 2.59in | 26.9in |
| Apr | 50°F | 27°F | 2.68in | 20.9in |
| May | 60°F | 35°F | 2.17in | 7in |
| Jun | 71°F | 42°F | 1.06in | 0.4in |
| Jul | 76°F | 48°F | 1.97in | 0in |
| Aug | 73°F | 47°F | 1.75in | 0in |
| Sep | 67°F | 40°F | 1.89in | 1in |
| Oct | 55°F | 30°F | 2.09in | 10.2in |
| Nov | 42°F | 19°F | 2.09in | 20.5in |
| Dec | 32°F | 10°F | 2in | 27.5in |
If you're timing a visit, Jun, Jul, and Aug are Aspen's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Aspen actually gets
Over a typical year, Aspen sees about 24.45in of precipitation a year across roughly 133 days with measurable rain or snow, with 170.8in of snow a year.
Aspen against the rest of the country
Out of 4876 cities scored here, Aspen comes in at 4864; within CO alone it ranks 75 of 79. Population is about 6,556.
Checking the actual forecast
These figures come from Aspen 1sw, CO US, the NOAA station 0.7 miles from Aspen, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is