Weather in Aspen
What's the weather like in Aspen?
Aspen has a wide swing between hot summers and cold winters and moderate rainfall spread across the year. Average daytime highs range from 0°C (32°F) in January to 26°C (78°F) in July, with overnight lows around -11°C (11°F) and 9°C (48°F) respectively.
For comfortable sightseeing temperatures (18–26°C daytime highs), the best months to visit Aspen are June through September.
Quick facts
- Country
- 🇺🇸 United States
- Region
- North America
- Time zone
- America/Denver
- Coordinates
- 39.191, -106.817
Monthly climate
Long-run averages for each month of the year.
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 0°C / 32°F | -11°C / 11°F | 55 mm | 16 | — |
| February | 1°C / 34°F | -10°C / 14°F | 65 mm | 17 | — |
| March | 5°C / 41°F | -7°C / 19°F | 71 mm | 18 | — |
| April | 9°C / 48°F | -4°C / 25°F | 67 mm | 18 | — |
| May | 14°C / 57°F | -1°C / 31°F | 63 mm | 21 | — |
| June | 22°C / 72°F | 4°C / 39°F | 30 mm | 15 | — |
| July | 26°C / 78°F | 9°C / 48°F | 41 mm | 20 | — |
| August | 25°C / 76°F | 8°C / 46°F | 39 mm | 18 | — |
| September | 21°C / 70°F | 5°C / 41°F | 37 mm | 13 | — |
| October | 13°C / 55°F | -3°C / 27°F | 51 mm | 12 | — |
| November | 5°C / 41°F | -10°C / 14°F | 56 mm | 13 | — |
| December | 0°C / 33°F | -13°C / 9°F | 71 mm | 15 | — |
Aspen by month
Detailed weather for any specific month:
Seasonal patterns to know
Atlantic hurricane season runs June–November (peak August–October). Tropical storms and hurricanes are possible — peak risk is August–October.
Cities with a similar climate to Aspen
Frequently asked questions
When is the best time to visit Aspen?
The most comfortable months in Aspen are usually June, August, September, when average highs sit near 18–26°C (64–79°F) with relatively little rain. See the full month-by-month breakdown for the exact figures.
What is the hottest month in Aspen?
July is typically the hottest month in Aspen, averaging a high of 26°C (78°F).
What is the coldest month in Aspen?
December is usually the coldest, with average lows around -13°C (9°F).
Does it snow in Aspen?
Snow is rare in Aspen; the climate data shows essentially no snowfall across the year.
Live forecast, sunrise/sunset, and more.