Rain. Average Weather during December in Aspen (Colorado), United States of America. Aspen Weather in December - Temperature, Rainfall & Sunshine. Over the course of December in Aspen, the chance of a day with only rain remains an essentially constant 0% throughout, the chance of a day with mixed snow and rain remains an essentially constant 3% throughout, and the chance of a day with only snow remains an essentially constant 14% throughout. All of the above in no way implies that Aspen is only worth checking out for the skis and the snow. Current Time: Jun 6, 2020 at 11:14:14 am. Monthly temperature, precipitation and hours of sunshine. Aspen's December 2015 weather. Scroll to the right to see Aspen / Snowmass weather forecasts and wind for the next seven days. Do you like to cross-country ski? Pressure: 30.03 "Hg (22.51 "Hg at 2411m altitude) Humidity: 80%. The amount of rain in December is high with an average of 100mm (3.9in). Check How Hot & Sunny It Is Before You Book Your Next Holiday in 2020 to Aspen, Colorado - USA Road Conditions: Dial 511 in Colorado.. Colorado Department of Transportation Travel Center (road conditions/closures, winter driving tips, rest areas, etc.) The Old Farmer's Almanac's scientifically-based, long range forecasts can be used to make more informed decisions about future plans that depend on the weather, from vacations … Colorado Weather Resources. That's a great alternative to the downhill thing, easy to rent x-country skis. Latest Report: Jun 6, 2020 at 10:37 am. Get the monthly weather forecast for Aspen, CO, including daily high/low, historical averages, to help you plan ahead. Location: Aspen-Pitkin County Airport. See long range weather forecasts for the next 60 days for the Intermountain Region. The average minimum temperature (usually the minimum temperature is noted during the night) in Aspen in December is -17.0°C (1.4°F). If your idea of festivity includes hitting the slopes followed by fireside hot toddies, it’s impossible to resist the allure of fairy light-festooned trees and Victorian homes, snowy streets, and the ongoing festive vibe. Average High/Low SUMMER Temperatures. Aspen weather in December 2020. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Aspen area. See an overview of the current Aspen / Snowmass weather, including high and low temperatures for the day and wind mph at the base and summit of the mountain. The numbers here tell you how hot and cold the weather usually is in Aspen, Colorado during each month of the year. 55 °F. Mostly cloudy. What’s the weather in Aspen / Snowmass today?