30YearWeather
Aspen, January 20
Aspen street view during January
Historical Weather Analysis

Aspen Weather on January 20 — Best Time to Visit?

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

cloudy

-0.8°C

High

-12.9°C

Low

23%

Rain

🥶 Feels like -4.2°C (wind chill)

partly-cloudy-day
YES, GOOD CHOICE
Holiday

January 20 is generally a great time to visit Aspen. While there is a slight chance of rain (23%), showers are usually brief. Expect comfortable -1°C weather. Lower tourist interest in Aspen right now translates to better deals and a more local feel. Note: January 20 is Martin Luther King, Jr. Day in Aspen, so expect special events, closures, and festive atmosphere.

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Safety

Moderate Safety

GPI: 2.44

Aspen Weather Forecast for January 20

"Cold & Crisp. Expect average highs of -0.8°C. 23% chance of snow."

What to Wear in Aspen in January

Based on historical data for January 20, Aspen typically experiences temperatures between -12.9°C and -0.8°C. We recommend packing heavy coat, scarf, gloves along with other layers to stay comfortable. Trends suggest it will stay mostly dry (23% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Aspen

View Guide

Smart Suitcase

  • Heavy Coat
  • Scarf
  • Gloves
  • Layers (Onion System)

Average High

extreme-hot

-0.8°C

Daytime Peak

Average Low

extreme-cold

-12.9°C

Nighttime Low

Feels Like

partly-cloudy-day

-4.2°C

🥶 Slightly colder

Snow Chance

snow

23%

Avg 1.4mm if it snows

Snowfall

snow

1.4 cm

~23% chance

Pressure

pressure

1021.4 hPa

High volatility

Aspen Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

59%Moderately Predictable

Based on 10 years of data

Temperature
±5.7°CVariable
Precipitation
12-35%Predictable

~ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.

Sun Exposure

UV Index & Safety Guide

0.5Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 160 min to burn

Type III-IV

🟡 240 min to burn

Type V-VI

🟢 400 min to burn

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

Outdoor Comfort

How pleasant is it outside?

38Poor
TemperatureCold
HumidityMuggy
WindLight Breeze

Dew Point

-5.6°C

Dry air

Heat Stress

Low

No heat warning

😕 Best outdoor time:
Midday (11 AM - 3 PM) when warmest

Travel & Logistics Insights

Local Calendar

Holiday

Martin Luther King, Jr. Day

Flight Traffic

Quiet

39/100 pressure index

Health Advisory

Healthy

Routine only • View Details →

Landing Slots

~33

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Aspen

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

07:24

☀️ Noon

12:19

🌇 Sunset

17:14

⏱️ Daylight

9h 50m

Golden Hour
Morning07:24 - 08:04
16:34 - 17:14Evening

Wind Speed

wind

9.7 km/h

Light breeze

Sunshine

clear-day

7.4 hrs

Direct Sun (Cloud-free)

Humidity

humidity

70%

Humid / Damp

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

82/100

Tourist Crowds

🟢 Moderate

40/100

Price Level

💰💰 Moderate

50/100

Health & Wellbeing

Meteo-Health Forecast

70Score
Atmospheric Pressure1021.4 hPa
Volatility:High
Migraine RiskHigh

Rapid pressure changes detected. High risk for meteosensitive people.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexExcellent

Fish are active due to pressure changes.

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 Jan (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Aspen on January 20 averages -0.8°C with a 23% precipitation probability. Wedding/Outdoor Event Score: 0/100."

— 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
2018
7°C
Coldest
2025
-30.3°C
Rainiest
2017
6.7mm

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 January 20?

Planning a trip to Aspen on January 20? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging -0.8°C with a 23% historical precipitation risk.

🎉 Local Event: The date coincides with Martin Luther King, Jr. Day, which may influence local business hours and event availability.

✈️ Travel Logistics: Approximately 33 landing slots available daily during this period, indicating manageable crowd levels.

📊 Historical Extremes: The hottest January 20 recorded in the last 30 years saw temperatures hit 7°C in 2018, while the coldest dropped to -30.3°C in 2025.

Aspen Weather FAQ