How warm is it in Aspen in July?

Daytime highs averaged 21.9 °C, night-time lows 6.1 °C. The highest value of the past 10 years was 28.3 °C (20 Jul 2026), the lowest -1.1 °C (1 Jul 2017).

How often does it rain in Aspen in July?

On average there were 10.2 rain days (at least 1 mm) with 34.6 mm of precipitation in total.

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Aspen weather in July: temperature & rain

Photo: Jeffrey Beall · CC BY 4.0

🇺🇸 Weather in Aspen in July

This is what the weather in Aspen (Colorado, USA) was like in July over the years 2017–2026.

Key facts at a glance

Prevailing weather: Partly cloudy

Avg. daytime high

21.9 °C

20.0 °C – 23.8 °C

Avg. night-time low

6.1 °C

5.3 °C – 7.0 °C

Avg. rain days in period

10.2

33 % of days · ≥ 1.0 mm

Avg. precipitation in period

34.6 mm

11.9 mm – 69.4 mm

Avg. cloud cover

48 %

This data source has no sunshine hours – average cloud cover is shown instead.

Avg. sea temperature

–

No sea nearby – no sea temperature.

Extremes: Highest temperature 28.3 °C (20 Jul 2026) · Lowest temperature -1.1 °C (1 Jul 2017) · Avg. daily peak wind 11 km/h

Weather mix of all days

72Sunny
119Partly cloudy
16Cloudy
91Light rain
11Rain

Summary

On average 21.9 °C during the day and 6.1 °C at night.
On average 10.2 rain days (Rain day = at least 1.0 mm of precipitation) with 34.6 mm of precipitation in total.
Prevailing weather: Partly cloudy.
Warmest year: 2026 (avg. 23.8 °C), coolest: 2019 (avg. 20.0 °C).
Wettest year: 2021 (69.4 mm), driest: 2023 (11.9 mm).
Extremes: 28.3 °C on 20 Jul 2026 and -1.1 °C on 1 Jul 2017.

Overall values from all 10 years. How is this calculated?

Temperatures per year

Average over your travel period

Precipitation & rain days

Year by year

2026
Avg. max23.8°Avg. min7.0°
Rain days
12 Rain days
Precipitation
40.8 mm
Avg. cloud cover
–
Sea temperature
–
Max 28.3 °C · Min 2.1 °C
2025
Avg. max22.2°Avg. min5.6°
Rain days
5 Rain days
Precipitation
14.0 mm
Avg. cloud cover
52 % cloudy
Sea temperature
–
Max 25.4 °C · Min 2.0 °C
2024
Avg. max21.0°Avg. min5.3°
Rain days
6 Rain days
Precipitation
30.3 mm
Avg. cloud cover
33 % cloudy
Sea temperature
–
Max 25.0 °C · Min 0.4 °C
2023
Avg. max22.2°Avg. min6.3°
Rain days
5 Rain days
Precipitation
11.9 mm
Avg. cloud cover
38 % cloudy
Sea temperature
–
Max 26.2 °C · Min 0.5 °C
2022
Avg. max21.4°Avg. min6.5°
Rain days
11 Rain days
Precipitation
39.1 mm
Avg. cloud cover
58 % cloudy
Sea temperature
–
Max 26.6 °C · Min 1.3 °C
2021
Avg. max22.5°Avg. min6.8°
Rain days
16 Rain days
Precipitation
69.4 mm
Avg. cloud cover
55 % cloudy
Sea temperature
–
Max 26.3 °C · Min 2.7 °C
2020
Avg. max21.7°Avg. min5.8°
Rain days
12 Rain days
Precipitation
29.0 mm
Avg. cloud cover
51 % cloudy
Sea temperature
–
Max 26.1 °C · Min -0.8 °C
2019
Avg. max20.0°Avg. min5.3°
Rain days
12 Rain days
Precipitation
33.9 mm
Avg. cloud cover
43 % cloudy
Sea temperature
–
Max 25.0 °C · Min 2.2 °C
2018
Avg. max22.7°Avg. min6.6°
Rain days
7 Rain days
Precipitation
22.6 mm
Avg. cloud cover
45 % cloudy
Sea temperature
–
Max 26.1 °C · Min 2.4 °C
2017
Avg. max21.3°Avg. min5.5°
Rain days
16 Rain days
Precipitation
55.5 mm
Avg. cloud cover
59 % cloudy
Sea temperature
–
Max 25.0 °C · Min -1.1 °C

Frequently asked questions

How warm is it in Aspen in July?: Daytime highs averaged 21.9 °C, night-time lows 6.1 °C. The highest value of the past 10 years was 28.3 °C (20 Jul 2026), the lowest -1.1 °C (1 Jul 2017).
How often does it rain in Aspen in July?: On average there were 10.2 rain days (at least 1 mm) with 34.6 mm of precipitation in total.

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Data sources

Weather data: Data obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program
Reanalysis (weather model constrained by observations) on a coarse grid of about 50 km. Values represent a large area and can differ from local conditions, especially on islands, coasts and in mountains. Snow depth is the model value for the grid cell, not the depth on the slopes. No sunshine duration.
Reanalysis (weather model constrained by observations)
Reanalysis values represent a grid cell (approx. 25–50 km) and may differ from local measurements on coasts, islands and in mountains.
Sea temperature: MUR SST data were provided by JPL under support by NASA MEaSUREs program; accessed via NOAA CoastWatch ERDDAP
Daily multi-scale ultra-high resolution (≈ 1 km) analysis of satellite measurements (infrared, microwave) and in-situ data. Represents the foundation temperature below the daily warm surface layer. (Satellite and in-situ analysis)
Place search: Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)