Aspen weather
Ten-year climate averages, month by month
Aspen in september
Current month averages, based on ten years of records. Read the full guide →
Aspen is a resort city in Pitkin County, Colorado, at the base of the Elk Mountains. World-famous for its four ski areas — Aspen, Highlands, Snowmass and Buttermilk — and dazzling autumn aspen groves.
The year in weather
Aspen weather by month
Pick a month for the full climate guide — temperature, rainfall, sunshine, packing tips and hotel deals for Aspen.
Places that feel like Aspen in september
Aspen weather — FAQ
Q01Which month is warmest in Aspen?
Which month is warmest in Aspen?
July runs the highest averages in Aspen, with typical daytime highs of 26°C (79°F). Plan around midday and consider accommodation with reliable cooling.
Q02Which month is chilliest in Aspen?
Which month is chilliest in Aspen?
January brings the lowest averages, with daytime highs near 1°C (33°F). Layer up and expect shorter daylight hours if you plan sightseeing.
Q03When is the rainy season in Aspen?
When is the rainy season in Aspen?
March typically records the highest monthly rainfall — around 72mm on average. Plan indoor alternatives and pack proper rain gear if visiting this month.
Q04How would you describe Aspen's weather?
How would you describe Aspen's weather?
Aspen, United States has mild summers, cold winters. You can read the detailed month-by-month breakdown on this page.
