Aspen weather in August: Aspen, Colorado: normal highs, lows, rain and records for August
Aspen in August has a normal high of 80°F and a normal low of 47°F, a daily mean of 63°F, falling from 82°F on the 1st to 77°F by the 31st. Measurable precipitation falls on 12 days in a normal August, 1.48 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 8°C, 38 mm of precipitation in August.
- NOAA stationAspen Pitkin County Airport
- Station IDUSW00093073
- Location39.22°N 106.87°W
- Elevation7,720 ft (2,353 m)
- Population6,556
- Jan 35° 9°
- Feb 38° 12°
- Mar 46° 21°
- Apr 55° 28°
- May 65° 35°
- Jun 77° 42°
- Jul 82° 48°
- Aug 80° 47°
- Sep 72° 40°
- Oct 60° 29°
- Nov 45° 19°
- Dec 34° 9°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Aspen in August?
The normal high is 80°F and the normal low 47°F, for a daily mean of 63.3°F. August is 1.9°F cooler than July and 7.2°F warmer than September. August is the 2nd warmest month of the year in Aspen and the 4th wettest. Across the month the normal high falls 5°F, from 82°F on August 1 to 77°F on August 31. From one year to the next August's mean temperature typically moves about 1.7°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 62°F and 65°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 41%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 82°F | 49°F | 41% | 19% |
| August 8 | 81°F | 48°F | 39% | 18% |
| August 15 | 80°F | 48°F | 37% | 16% |
| August 22 | 79°F | 46°F | 36% | 15% |
| August 31 | 77°F | 45°F | 34% | 15% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 82°F | 49°F | 41% | 19% | 14 h 10 min |
| August 2 | 81°F | 49°F | 41% | 19% | 14 h 10 min |
| August 3 | 81°F | 49°F | 41% | 19% | 14 h 10 min |
| August 4 | 81°F | 49°F | 40% | 19% | 14 h 10 min |
| August 5 | 81°F | 49°F | 40% | 18% | 14 h 10 min |
| August 6 | 81°F | 49°F | 40% | 18% | 14 h |
| August 7 | 81°F | 49°F | 40% | 18% | 14 h |
| August 8 | 81°F | 48°F | 39% | 18% | 14 h |
| August 9 | 81°F | 48°F | 39% | 17% | 14 h |
| August 10 | 80°F | 48°F | 39% | 17% | 14 h |
| August 11 | 80°F | 48°F | 38% | 17% | 13 h 50 min |
| August 12 | 80°F | 48°F | 38% | 17% | 13 h 50 min |
| August 13 | 80°F | 48°F | 38% | 17% | 13 h 50 min |
| August 14 | 80°F | 48°F | 37% | 16% | 13 h 50 min |
| August 15 | 80°F | 48°F | 37% | 16% | 13 h 50 min |
| August 16 | 80°F | 47°F | 37% | 16% | 13 h 40 min |
| August 17 | 80°F | 47°F | 37% | 16% | 13 h 40 min |
| August 18 | 79°F | 47°F | 36% | 16% | 13 h 40 min |
| August 19 | 79°F | 47°F | 36% | 16% | 13 h 40 min |
| August 20 | 79°F | 47°F | 36% | 16% | 13 h 30 min |
| August 21 | 79°F | 47°F | 36% | 16% | 13 h 30 min |
| August 22 | 79°F | 46°F | 36% | 15% | 13 h 30 min |
| August 23 | 79°F | 46°F | 35% | 15% | 13 h 30 min |
| August 24 | 78°F | 46°F | 35% | 15% | 13 h 20 min |
| August 25 | 78°F | 46°F | 35% | 15% | 13 h 20 min |
| August 26 | 78°F | 46°F | 35% | 15% | 13 h 20 min |
| August 27 | 78°F | 46°F | 35% | 15% | 13 h 20 min |
| August 28 | 78°F | 45°F | 35% | 15% | 13 h 10 min |
| August 29 | 78°F | 45°F | 34% | 15% | 13 h 10 min |
| August 30 | 77°F | 45°F | 34% | 15% | 13 h 10 min |
| August 31 | 77°F | 45°F | 34% | 15% | 13 h 10 min |
- Normal high
- 80°FAugust average
- Normal low
- 47°FAugust average
- Precipitation
- 1.48 inmonth total
- Days with precipitation
- 120.01 inch or more
- Daylight
- 14 h 10 min to 13 h 10 minAugust 1 to August 31
- Days at 70°F or more
- 29
- Days at 80°F or more
- 14
- Sunshine
- 76%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093073; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Aspen in August?
On a given August day the chance of 0.01 inch or more is 37% on average, highest around August 1 (41%). In all, 1.48 in falls on 12 days of a normal August.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093073.
What are the records for August in Aspen?
The warmest August temperature on this station's record (since 1998) is 91°F, on August 14, 2003; the coldest is 32°F, on August 28, 2004. The wettest August brought 2.62 in (2001).
The August mean against the 1991-2020 normal of 63.3°F: 2021 63.6°F (+0.4), 2022 64.5°F (+1.2), 2023 64.1°F (+0.8), 2024 63.1°F (−0.2), 2025 64.6°F (+1.3), 2026 67.5°F (+4.2). 5 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 63.6°F | +0.4°F | 2.02 in |
| 2022 | 64.5°F | +1.2°F | 2.29 in |
| 2023 | 64.1°F | +0.8°F | 0.42 in |
| 2024 | 63.1°F | −0.2°F | 2.44 in |
| 2025 | 64.6°F | +1.3°F | 1.11 in |
| 2026 | 67.5°F | +4.2°F | 0.43 in |
Source: records: ACIS, station USW00093073; recent months: ACIS, station USW00093073. Records and recent months use complete months only.
How does August in Aspen compare across Colorado?
Across the 125 places PlainClimate covers in Colorado, August normal highs run from 68°F in Leadville to 93°F in Lamar; Aspen's is 80°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.