Aspen, CO weather in October
Aspen is cool and snowy in October: highs average 55°F and nights drop to about 30°F. Expect about 9 wet days. Snowfall averages about 10.2 in. Expect snow on the ground at times.
- Normal high
- 55°F
- Normal low
- 30°F
- Wet days
- 9
- 2.1 in total
- Snowfall
- 10.2 in
- snow on the ground 5 days
How October changes from start to finish
| October 1 | October 31 | |
|---|---|---|
| Normal high | 62°F | 49°F |
| Normal low | 35°F | 25°F |
| Chance of a wet day | 30% | 31% |
| Sunrise / sunset | 7:03 am / 6:50 pm | 7:33 am / 6:07 pm |
| Daylight | 11.8 h | 10.6 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Mountain Time).
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F9 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow9 of 31
- Notable rainat least 0.10 in6 of 31
- Freezing nightslow 32°F or below19 of 31
- Snow on the groundsnow depth 1 in or more5 of 31
Average days per October, counted from daily records for each year 1991-2020.
Rain and snow in October
Normal precipitation is 2.1 in; a dry October brings about 1.4 in and a wet one about 2.8 in (25th and 75th percentiles). About 1 day brings half an inch or more. Normal snowfall is 10.2 in, with about 3 days of an inch or more.
How October varies from year to year
- Warmest October, 1991-20202003: average high 66°F
- Coolest October2019: average high 51°F
- Wettest October1996: 3.5 in
- Driest October2000: 0.5 in
- Highest reading78°F (October 1, 2010)
- Lowest reading-5°F (October 27, 2020)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
October compared with September and November
| September | October | November | |
|---|---|---|---|
| Normal high | 67°F | 55°F | 42°F |
| Normal low | 40°F | 30°F | 19°F |
| Wet days | 10 | 9 | 10 |
| Comfortable days | 22 | 9 | 1 |
| Daylight | 12.4 h | 11.2 h | 10.0 h |
Highs change by -12°F from September and -13°F into November.
Nearby alternatives in October
- Warmer: Lakewood, CO99 mi · high 63°F · 6 wet days
- Drier: Lakewood, CO99 mi · high 63°F · 6 wet days
- Cooler: Breckenridge, CO46 mi · high 50°F · 9 wet days
How Aspen ranks in October
- Normal high360th warmest of 378 cities; 15th of 17 in Colorado
- Wet days259th driest of 378
- Comfortable days232nd most of 340
What to pack for Aspen in October
- A warm jacket – lows near 30°F, highs near 55°F
- Layers – afternoons near 55°F but nights near 30°F
- A rain jacket or umbrella – rain or snow on about 9 days
- Waterproof boots – about 10.2 in of snow in a typical year
- A hat and gloves – about 19 freezing nights
Heating and cooling
October has 698 heating degree days and 0 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.
Questions
How cold is Aspen in October?
The normal high is 55°F and the normal low is 30°F. From 1991 to 2020 the coldest October reading was -5°F (October 27, 2020).
Does it rain a lot in Aspen in October?
About 9 days in October have at least 0.01 in of precipitation, and the normal total is 2.1 in. The wettest October in 1991-2020 was in 1996 (3.6 in); the driest was in 2000 (0.5 in).
Does it snow in Aspen in October?
Yes. Normal snowfall in October is 10.2 in, and snow covers the ground on about 5 days.
Is October a good time to visit Aspen?
October ranks 6th of 12 months on our comfort score for Aspen (56 out of 100). It has about 9 comfortable days. The best month is June.
Where the numbers come from
- Temperature, rain, snowfall and snow depth: Aspen 1SW (USC00050372), 1.2 mi WSW of the city center, 8,175 ft (285 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: Aspen Pitkin Co Airport (USW00093073), 3.5 mi NW of the city center, 7,720 ft (170 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Eagle Co Regional Airport (724675-23063), 32 mi N of the city center, 6,497 ft (1,393 ft lower than the city). Hourly observations, 1991-2020.
- Not available for this location: humidity and wind by hour and cloud cover (no station close enough or similar enough in elevation).