Aspen, Colorado weather in August
Temperature, rain and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Excellent
Best time to visit: June – September
Best for skiing: December – April
What is the weather like in Aspen, Colorado in August?
In August, Aspen, Colorado is warm: daytime highs average 24 °C, and nights cool down to about 8 °C. The sun shines for around 9 hours a day. Rain falls on about 6 days, adding up to 24 mm. All in all, August is an excellent month for a holiday in Aspen, Colorado.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 93 | 94 | 91 |
| Day | 26° | 24° | 20° |
| Night | 9° | 8° | 5° |
| Sun | 10 h | 9 h | 8 h |
| Rain days | 6 | 6 | 7 |
More details for August
- Daylight
- 13 h 45 min06:20 – 20:05
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 11 km/haverage daily peakAll months
- Cloud cover
- 39 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−6America/Denver
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %92 %
- Few rainy daysweight 30 %84 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.
What to pack in August
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Aspen, Colorado in August: quick answers
Is Aspen, Colorado hot in August?
Warm rather than hot: in August, daytime highs in Aspen, Colorado average 24 °C and nights cool to about 8 °C.
Does it rain much in Aspen, Colorado in August?
Rain falls on about 6 days, adding up to 24 mm.
Aspen, Colorado month by month
The whole year in Aspen, ColoradoAll destinations: USAWhere to go in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences