Cool
Average highs are around -2°C, so pack for cooler days.
December verdict
Aspen, Colorado, United States in December
Weather score37Poor
Poor for holiday weather
Average highs are around -2°C, so pack for cooler days. Sunshine averages 6.1h per day, enough for a balanced month. Rainfall averages 62mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
-2°C
Rain
62mm
Sun
6.1h
Weather score
37
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 62mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.1h per day, enough for a balanced month.
Map
Weather map
Compare Aspen, Colorado, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December-2°C average high
December has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
December62mm average rain
December is one of Aspen's wettest months, so rain is likely to be a major planning factor.
Driest monthsFebruary to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December6.1 hours average sun
December is one of Aspen's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
December37 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsMay to August
These months have the strongest weather score in the monthly averages.
