Aspen, Colorado, United States Climate Change Severity

57
High
The current climate change severity in Aspen is High, with a 20.4% worsening in the climate score compared to last 15 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Aspen Weather Condition Changes (Historic Vs 2025)

0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Aspen temperature has changed by around +48.09%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Jul. (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
4437
-15.9%

cloudyCloudy
4843
-10.4%

rainyRainy
8356
-32.5%

snowySnowy
2119
-9.5%

mistyMisty
00
0%

Disclaimer: Other weather conditions not shown may affect the total day count.

Climate Change Indicators:

Over the past 15 years, Aspen has experienced measurable shifts in key climate parameters, contributing to the current severity score of 57 (within the High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

57/100


High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Aspen experienced significant changes:

Temperature change of

+1.2 °C


Variation in annual rainfall

+28.6 %


Change in average humidity

-21.4 %


PM2.5 levels surged by

-4.7 %


Heatwave changed by

+8 day(s)


Coldwave changed by

+1.06 day(s)


Wind speeds changed by

+1.1 km/h


These indicators show that Aspen is experiencing a more volatile and extreme climate, reinforcing the need for urgent intervention to mitigate risks. As the severity score rises, focus must shift to adaptation and emergency preparedness.

Check how we calculate Climate Change Severity
Based on data from Jan. to Jul.

Aspen Weather Forecast 30 Days (August - September 2025)
Aspen, Colorado, United States


Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Thu. 14, Aug.
partly cloudyPartly Cloudy

Temperature Icon25°/8°

Humidity Icon31%

Wind Icon13km/h
Fri. 15, Aug.
sunnySunny

Temperature Icon22°/7°

Humidity Icon50%

Wind Icon10km/h
Sat. 16, Aug.
sunnySunny

Temperature Icon22°/6°

Humidity Icon54%

Wind Icon11km/h
Sun. 17, Aug.
patchy rain possiblePatchy rain nearby

Temperature Icon25°/6°

Humidity Icon41%

Wind Icon9km/h
Mon. 18, Aug.
patchy rain possiblePatchy rain nearby

Temperature Icon28°/5°

Humidity Icon41%

Wind Icon12km/h
Tue. 19, Aug.
sunnySunny

Temperature Icon28°/6°

Humidity Icon46%

Wind Icon13km/h
Wed. 20, Aug.
sunnySunny

Temperature Icon29°/6°

Humidity Icon44%

Wind Icon12km/h
Thu. 21, Aug.
partly cloudyPartly Cloudy

Temperature Icon28°/7°

Humidity Icon44%

Wind Icon11km/h
Fri. 22, Aug.
patchy rain possiblePatchy rain nearby

Temperature Icon25°/8°

Humidity Icon48%

Wind Icon17km/h
Sat. 23, Aug.
patchy rain possiblePatchy rain nearby

Temperature Icon24°/5°

Humidity Icon69%

Wind Icon12km/h
Sun. 24, Aug.
sunnySunny

Temperature Icon24°/4°

Humidity Icon48%

Wind Icon12km/h
Mon. 25, Aug.
patchy rain possiblePatchy rain nearby

Temperature Icon24°/3°

Humidity Icon52%

Wind Icon16km/h
Tue. 26, Aug.
patchy rain possiblePatchy rain nearby

Temperature Icon22°/2°

Humidity Icon62%

Wind Icon13km/h
Wed. 27, Aug.
patchy rain possiblePatchy rain nearby

Temperature Icon22°/5°

Humidity Icon54%

Wind Icon9km/h
Thu. 28, Aug.
heavy rain at timesHeavy rain at times

Temperature Icon23°/4°

Humidity Icon59%

Wind Icon12km/h
Fri. 29, Aug.
patchy rain possiblePatchy rain possible

Temperature Icon23°/4°

Humidity Icon57%

Wind Icon12km/h
Sat. 30, Aug.
patchy rain possiblePatchy rain possible

Temperature Icon23°/4°

Humidity Icon58%

Wind Icon14km/h
Sun. 31, Aug.
patchy rain possiblePatchy rain possible

Temperature Icon23°/5°

Humidity Icon58%

Wind Icon15km/h
Mon. 1, Sep.
moderate rain at timesModerate rain at times

Temperature Icon22°/5°

Humidity Icon59%

Wind Icon14km/h
Tue. 2, Sep.
moderate rain at timesModerate rain at times

Temperature Icon23°/5°

Humidity Icon58%

Wind Icon11km/h
Wed. 3, Sep.
patchy rain possiblePatchy rain possible

Temperature Icon23°/5°

Humidity Icon56%

Wind Icon12km/h
Thu. 4, Sep.
patchy rain possiblePatchy rain possible

Temperature Icon22°/4°

Humidity Icon54%

Wind Icon14km/h
Fri. 5, Sep.
patchy rain possiblePatchy rain possible

Temperature Icon23°/4°

Humidity Icon53%

Wind Icon13km/h
Sat. 6, Sep.
heavy rain at timesHeavy rain at times

Temperature Icon22°/5°

Humidity Icon52%

Wind Icon14km/h
Sun. 7, Sep.
moderate rain at timesModerate rain at times

Temperature Icon22°/4°

Humidity Icon53%

Wind Icon13km/h
Mon. 8, Sep.
heavy rain at timesHeavy rain at times

Temperature Icon21°/3°

Humidity Icon57%

Wind Icon13km/h
Tue. 9, Sep.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon20°/3°

Humidity Icon56%

Wind Icon13km/h
Wed. 10, Sep.
heavy rain at timesHeavy rain at times

Temperature Icon20°/3°

Humidity Icon57%

Wind Icon13km/h
Thu. 11, Sep.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon20°/2°

Humidity Icon59%

Wind Icon14km/h
Sat. 13, Sep.
heavy rain at timesHeavy rain at times

Temperature Icon20°/2°

Humidity Icon56%

Wind Icon14km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onWed. 20, Aug.

28.9°C


Low will be onThu. 11, Sep.

2°C

HumidityHumidity

High will be onSat. 23, Aug.

69%


Low will be onThu. 14, Aug.

31%

Wind SpeedWind Speed

High will be onFri. 22, Aug.

16.6km/h


Low will be onSun. 17, Aug.

9.4km/h

PrecipitationPrecipitation

High will be onTue. 9, Sep.

2.2mm


Low will be onTue. 19, Aug.

0.04mm

Ultraviolet IndexUV

High will be onTue. 19, Aug.

5


Low will be onSat. 23, Aug.

3