Aspen, CO weather in July
In July, Aspen sees highs around 76°F and lows around 48°F: mild, with frequent rain. Expect about 11 wet days. It is one of the warmest months in Aspen. Great for outdoor plans.
- Normal high
- 76°F
- Normal low
- 48°F
- Wet days
- 11
- 2.0 in total
- Muggy days
- 0
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 74°F | 75°F |
| Normal low | 46°F | 49°F |
| Chance of a wet day | 30% | 40% |
| Sunrise / sunset | 5:44 am / 8:37 pm | 6:06 am / 8:20 pm |
| Daylight | 14.9 h | 14.2 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°F21 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 snow11 of 31
- Notable rainat least 0.10 in6 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per July, counted from daily records for each year 1991-2020.
Rain in July
Normal precipitation is 2.0 in; a dry July brings about 1.4 in and a wet one about 2.4 in (25th and 75th percentiles). About 1 day brings half an inch or more.
How July varies from year to year
- Warmest July, 1991-20202003: average high 85°F
- Coolest July2015: average high 72°F
- Wettest July1998: 4.3 in
- Driest July1994: 0.3 in
- Highest reading89°F (July 22, 2005)
- Lowest reading29°F (July 5, 1993)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
July compared with June and August
| June | July | August | |
|---|---|---|---|
| Normal high | 71°F | 76°F | 73°F |
| Normal low | 42°F | 48°F | 47°F |
| Wet days | 7 | 11 | 13 |
| Comfortable days | 24 | 21 | 25 |
| Daylight | 14.9 h | 14.6 h | 13.7 h |
Highs change by +5°F from June and -3°F into August.
Nearby alternatives in July
- Warmer: Steamboat Springs, CO89 mi · high 83°F · 9 wet days
- Drier: Thornton, CO109 mi · high 90°F · 7 wet days
How Aspen ranks in July
- Normal high353rd warmest of 378 cities; 16th of 17 in Colorado
- Wet days290th driest of 378
- Comfortable days15th most of 340
What to pack for Aspen in July
- Layers – afternoons near 76°F but nights near 48°F
- A rain jacket or umbrella – rain on about 11 days
- Sunglasses and sunscreen – about 14.6 hours of daylight and highs near 76°F
Heating and cooling
July has 112 heating degree days and 13 cooling degree days (base 65°F), 1% of the year's total heating and cooling demand.
Questions
How hot is Aspen in July?
The normal high is 76°F and the normal low is 48°F. From 1991 to 2020 the hottest July reading was 89°F (most recently on July 22, 2005).
Does it rain a lot in Aspen in July?
About 11 days in July have at least 0.01 in of precipitation, and the normal total is 2.0 in. The wettest July in 1991-2020 was in 1998 (4.3 in); the driest was in 1994 (0.3 in).
Is July a good time to visit Aspen?
July ranks 3rd of 12 months on our comfort score for Aspen (81 out of 100). It has about 21 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).