May 31 is generally a great time to visit Aspen. While there is a slight chance of rain (16%), showers are usually brief. Expect comfortable 17°C weather. Aspen is very peaceful this time of year, perfect for a secluded and budget-friendly getaway.
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Essential Travel Info for Aspen
Currency
USD
$ United States dollar
Language
English
Driving
Right side
Safety
Moderate Safety
GPI: 2.44
Aspen Weather Forecast for May 31
"Mild & Comfortable. Expect average highs of 17.4°C. 16% chance of snow."
What to Wear in Aspen in May
Based on historical data for May 31, Aspen typically experiences temperatures between 1°C and 17.4°C. We recommend packing heavy coat, scarf, gloves along with other layers to stay comfortable. Trends suggest it will stay mostly dry (16% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Aspen
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
- Layers (Onion System)
Average High
17.4°C
Daytime Peak
Average Low
1°C
Nighttime Low
Feels Like
17.4°C
🌤️ Feels accurate
Snow Chance
16%
Avg 0.7mm if it snows
Snowfall
0.3 cm
~16% chance
Pressure
1015.4 hPa
Low volatility
Aspen Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ This date historically delivers consistent weather 78% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30+ required, seek shade
04:00 - 10:00
16:00 - 19:00
Type I-II
🔴 10 min to burn
Type III-IV
🟡 15 min to burn
Type V-VI
🟢 25 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
9.6°C
Dry air
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
Minimal
4/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~3
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Aspen
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:44
☀️ Noon
12:06
🌇 Sunset
19:28
⏱️ Daylight
14h 43m
Wind Speed
13.6 km/h
Gentle breeze
Sunshine
13.0 hrs
Direct Sun (Cloud-free)
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
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Aspen on May 31 averages 17.4°C with a 16% precipitation probability. Wedding/Outdoor Event Score: 81/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Aspen Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
June 7
20.2°C • 10% rain
Score
94
June 5
19.5°C • 9% rain
Score
93
June 6
19.9°C • 10% rain
Score
93
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 31) in other destinations
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📍 Is Aspen Worth Visiting on May 31?
Planning a trip to Aspen on May 31? 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 17.4°C with a 16% historical precipitation risk.
✈️ Travel Logistics: Approximately 3 landing slots available daily during this period, indicating manageable crowd levels.
📊 Historical Extremes: The hottest May 31 recorded in the last 30 years saw temperatures hit 26°C in 2025, while the coldest dropped to -2.7°C in 2019.