Peak in July
Coolest in December
Heavy in April
Peak in dry season
Aspen Monthly Weather Guide
Click any month to explore daily weather forecasts
January
February
March
April
May
June
July
August
September
October
November
December
Essential Travel Info for Aspen
Currency
USD
$ United States dollar
Language
English
Driving
Right side
Safety
Moderate Safety
GPI: 2.44
Best Time to Visit Aspen
Location, climate overview & historical trends
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📍 39.1911° N, 106.8175° W
Open in Google MapsAspen is a prominent destination in United States.
Located at 39.19°N latitude,Aspen experiences a temperate climate with four distinct seasons.
Based on 30 years of data, July is the warmest month (avg. 26°C), while December is the coolest. April sees the most rain (31% chance), making June the driest month.
Historical Climate Trend
30-Year Analysis+2.09°C
Total over 30 years
+0.7°C
Per decade
Linear regression analysis of historical maximum temperatures for Aspen, based on 1995-2024 satellite data from NASA POWER.
Best Time to Visit
NASA POWER Data (1991-2021)June, July, August
Best months to visit
12°C
Avg High
Based on 30 years of NASA satellite data,Aspen receives approximately 474mm of rainfall annually. These months offer optimal temperatures and minimal rain probability for your visit.
Climate Trends
EXCLUSIVE1995-2040 Temperature Trend
1995 Avg
10.6°
2024 Avg
12.5°
2040 Proj
13.3°
+0.70°C
per decade (observed)
+0.47°C
per decade (CMIP6)
🌡️ Aspen has warmed by +2.1°C since 1995. By 2040, an additional +0.8°C is projected (based on CMIP6 rate of 0.473°C/decade), for a total of +2.8°C from 1995 baseline.
NASA POWER (1995-2024) + CMIP6 (CMCC_CM2_VHR4, EC_Earth3P_HR, FGOALS_f3_H, HiRAM_SIT_HR, MRI_AGCM3_2_S, NICAM16_8S)
Travel Intelligence
Exclusive flight analytics & health data for Aspen
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Flight Connectivity Analysis
Airport traffic data & seasonal patterns
Quieter airport
0
slots per day
Peak
Aug
Low
May
Monthly Traffic Distribution
Key Connections
Health & Safety Advisory
CDC travel health recommendations
No Special Vaccinations Required
Standard travel precautions apply
Source: CDC Travelers' Health
View Complete Health GuideAspen Climate Data by Month
Historical temperature and precipitation averages
| Month | Avg High (°C) | Rain Probability (%) | Status |
|---|---|---|---|
| January | 0°C | 24% | ❄️ Cold |
| February | 1°C | 30% | ❄️ Cold |
| March | 5°C | 29% | Neutral |
| April | 9°C | 31% | Neutral |
| May | 14°C | 23% | Neutral |
| June | 22°C | 13% | ✨ Perfect |
| July | 26°C | 17% | ✨ Perfect |
| August | 24°C | 23% | ✨ Perfect |
| September | 20°C | 19% | ✨ Perfect |
| October | 13°C | 21% | Neutral |
| November | 5°C | 21% | Neutral |
| December | 0°C | 24% | ❄️ Cold |
Weather in Cities Near Aspen
Explore climate data for popular destinations within easy reach
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Compare weather conditions with nearby destinations for your trip planning
Compare Aspen Weather vs Popular Destinations
Similar Climate Destinations
Discover destinations with weather similar to Aspen
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Netherlands
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Boston
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Bruges
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Brussels
Belgium
These destinations share similar weather patterns with Aspen. Perfect alternatives if you're looking for the same climate in a different location.
Aspen Weather FAQ
When is the best time to visit Aspen?
Honestly, look for months with mild temperatures (20°C-25°C) and low rain chance. Based on historical data, June, July, August are usually great choices.
When is the hottest month in Aspen?
July is historically the hottest month in Aspen with average highs of 26°C.
When does it rain the most in Aspen?
April typically sees the highest probability of rain (31%).
Is Aspen expensive?
Prices vary by season. The "Perfect" weather months usually coincide with peak tourist season and higher prices, while the rainy or cold months offer better deals.