Aspen weather by month & the best time to visit
United States · alpine / mountain town · continental climate
The best time to visit Aspen is June — its sunniest month (Sunshine Score 94/100), with August and July close behind. Aspen averages about 3,154 hours of sunshine a year. Daytime highs around 24°C / 75°F and roughly 21 mm of rain in June.
When is the best time to visit Aspen?
For sunshine, the best time to visit Aspen is June, then August and July. The dullest month is January (0/100, 48 mm of rain). The full month-by-month picture is in the table below.
How sunny is Aspen?
Aspen is one of the sunniest places on Earth: about 3,154 hours of sunshine a year. 94 Sunshine Score points separate June (94) from January (0), so the month you pick matters. It ranks #65 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. The year's 527 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -1° / 30°F | -12° / 10°F | 48 mm | 2 |
| February | 0 | 0° / 32°F | -12° / 10°F | 45 mm | 4 |
| March | 0 | 4° / 39°F | -8° / 18°F | 45 mm | 6 |
| April | 7 | 9° / 48°F | -2° / 28°F | 51 mm | 7 |
| May | 60 | 16° / 61°F | 2° / 36°F | 43 mm | 8 |
| June | 94 | 24° / 75°F | 7° / 45°F | 21 mm | 9 |
| July | 89 | 27° / 81°F | 11° / 52°F | 47 mm | 9 |
| August | 90 | 25° / 77°F | 10° / 50°F | 45 mm | 8 |
| September | 89 | 21° / 70°F | 6° / 43°F | 46 mm | 7 |
| October | 30 | 12° / 54°F | 0° / 32°F | 43 mm | 5 |
| November | 0 | 5° / 41°F | -6° / 21°F | 42 mm | 3 |
| December | 0 | -1° / 30°F | -12° / 10°F | 51 mm | 2 |
Nearest destinations
Head-to-head
How Aspen compares month by month: Aspen vs Denver · Aspen vs Colorado Springs · Aspen vs Grand Junction · Aspen vs Montrose · all comparisons
Aspen: questions and answers
What kind of destination is Aspen?
Aspen is a alpine / mountain town in United States at 2,360 m elevation with a continental climate.
How many hours of sunshine does Aspen get a year?
Aspen gets about 3,154 hours of sunshine a year, at its best around June.
When is the best time to visit Aspen?
The sunniest time to visit Aspen is June, when the Sunshine Score peaks at 94/100 (with August and July close behind). Expect daytime highs around 24°C / 75°F.
What is the least sunny month in Aspen?
January is the least sunny month in Aspen, scoring 0/100 with about 48 mm of rain.
How strong is the sun in Aspen?
The typical midday UV index in Aspen peaks around 9 (very high) in June, easing to about 2 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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