30YearWeather
Aspen, August 23
Aspen street view during August
Historical Weather Analysis

Aspen Weather on August 23 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

cloudy

24.1°C

High

8.3°C

Low

26%

Rain

☀️ Feels like 24.5°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

August 23 is generally a great time to visit Aspen. While there is a slight chance of rain (26%), showers are usually brief. Expect comfortable 24°C weather. Aspen is currently in its most popular travel window, meaning vibrant crowds and premium pricing.

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Safety

Moderate Safety

GPI: 2.44

Aspen Weather Forecast for August 23

"Mild & Comfortable. Expect average highs of 24.1°C. 26% chance of rain."

What to Wear in Aspen in August

Based on historical data for August 23, Aspen typically experiences temperatures between 8.3°C and 24.1°C. We recommend packing light jacket, long pants, layers (onion system) to stay comfortable. With a 26% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Aspen

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants
  • Layers (Onion System)

Average High

extreme-hot

24.1°C

Daytime Peak

Average Low

extreme-cold

8.3°C

Nighttime Low

Feels Like

partly-cloudy-day

24.5°C

☀️ Feels accurate

Rain Chance

rain

26%

Avg 1.6mm if it rains

Cloud Cover

cloudy

50%

Light drizzle

Pressure

pressure

1019.2 hPa

Low volatility

Aspen Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

93%Highly Predictable

Based on 10 years of data

Temperature
±2.7°CModerate
Precipitation
13-50%Moderate

🎯 This date historically delivers consistent weather 93% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

5.6Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 18:00

Time to Sunburn

Type I-II

🔴 14 min to burn

Type III-IV

🟡 21 min to burn

Type V-VI

🟢 35 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

100Excellent
TemperatureWarm
HumidityHumid
WindLight Breeze

Dew Point

15.8°C

Pleasant

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in United States

Flight Traffic

High

100/100 pressure index

Health Advisory

Healthy

Routine only • View Details →

Landing Slots

~84

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Aspen

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:29

☀️ Noon

12:11

🌇 Sunset

18:53

⏱️ Daylight

13h 24m

Golden Hour
Morning05:29 - 06:05
18:17 - 18:53Evening

Wind Speed

wind

10.7 km/h

Light breeze

Sunshine

clear-day

11.7 hrs

Direct Sun (Cloud-free)

Humidity

humidity

60%

Slightly humid

Travel Intelligence

Exclusive flight analytics & health data for Aspen

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Aspen

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

79/100

Tourist Crowds

🔴 Very Busy

100/100

Price Level

💰💰💰 Expensive

100/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1019.2 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
39AQI
Good
PM2.5 Concentration3 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):1
In Aug (30y):1
Last in Aug:2001-08-10
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Aspen on August 23 averages 24.1°C with a 26% precipitation probability. Wedding/Outdoor Event Score: 94/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Aspen Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2020
29.1°C
Coldest
2022
4.5°C
Rainiest
2016
16.6mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

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📍 Is Aspen Worth Visiting on August 23?

Planning a trip to Aspen on August 23? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 24.1°C with a 26% historical precipitation risk.

✈️ Travel Logistics: Approximately 84 landing slots available daily during this period, indicating manageable crowd levels.

📊 Historical Extremes: The hottest August 23 recorded in the last 30 years saw temperatures hit 29.1°C in 2020, while the coldest dropped to 4.5°C in 2022.

Aspen Weather FAQ