Aspen Colorado Weather: Current Conditions and Yearly Patterns


Aspen, Colorado has a reputation of being a skier's paradise, full of enticing slopes, cozy lodges, and phenomenal scenery. But winter isn't the only time of the year that has an alluring charm. There are lots of activities in Aspen to enjoy throughout the seasons. To get the most out of your trip, you need to keep tabs on the Aspen Colorado weather, which fluctuates throughout the season. However, once you understand the yearly weather patterns, you'll find that it's easy to plan your exciting ski excursion or summer vacation to Aspen.

Aspen, Colorado Weather

Aspen summers are wonderful and quite comfortable. They're often dry. By comparison, the winters are snowy and freezing. While that may mean you have to bundle up, it's also perfect for the ideal ski conditions that Aspen Colorado weather is famous for. In addition, it's typically cloudy throughout the year.

Temperatures fluctuate between 7 degrees Fahrenheit to 73 degrees Fahrenheit throughout the year. While it's rarely above 80 degrees Fahrenheit, it's also rarely below -7 degrees Fahrenheit.

When Is the Best Time to Visit Aspen?

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This depends, of course, upon the focus of your planned activities. If you're heading to Colorado for warm-weather events, the best time to go is from late June to mid-August.

The Aspen Warm Season

This season only lasts for a little over three months, stretching from June 2 to September 15. During this time, the area experiences average daily high temperatures just above 64°F. Historically, the hottest day has been July 8, which hits an average high of 73°F and a low of 43°F.

The Cold Season

The cold season—and prime skiing weather—is perhaps what Aspen is best known for. It lasts for around three-and-a-half months, with the coldest day for Aspen, Colorado weather being January 28, which sees average low of 7°F and an average high of 29°F.

How Long Are the Wet and Dry Seasons?

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While there is a wet season for Aspen, Colorado weather that lasts 10 months, the general precipitation does vary extensively throughout the year. July 9 through May 15 brings an over 21 percent chance of rain or a wet day. On July 31, you are most likely to experience rain with a 29 percent chance of precipitation.

The dry season is much shorter: just 1.8 months from May 15 to July 9. Based upon the Aspen, Colorado weather patterns, your best chance of a dry day is June 17, where there is normally only a 13 percent chance of rain.

Rain, Snow, or a Mixture?

What is the most common type of precipitation in Aspen? Again, this varies and changes throughout the year. Almost six months, from April 30 to October 28, will often feature rain only. If you want to avoid rain, don't go to Aspen on July 31—it's the day with the highest chance of rain, clocking in at a 29% chance.

But now to the question you probably really wanted to know about Aspen, Colorado weather: when does it snow most often?

Bring On the Snow!

Let's face it—this is probably the main reason you're interested in Aspen, Colorado weather. If you want to go to Aspen when snow alone is in the forecast, try to get there between November 9 to April 3. The greatest probability to have a day with only snow alone is 15% on December 11.

April and Oct. 18 to November 9 usually bring a combination of mixed snow and rain. You are most likely to experience this on April 28.

The snowy time lasts for eight months, from the end of September to May 27. December 22 has the average liquid-equivalent accumulation of one inch. The day with the least amount of snow occurs is usually around August 1.

What Are the Seasons Like In Aspen, Colorado?

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While many people think "snow" as soon as they hear the word Aspen, it's important to realize that there is a lot of seasonal variation throughout the year.

Summers in Aspen

The Aspen Colorado weather during the summer months are warm, thanks to the area's dry atmosphere. Sudden, quick afternoon rain showers are also very common. Even during these hot days, it's advisable to have a jacket because it often cools off in the evenings. It can be chilly during the evening with temps between 40 to 50 degrees.

Although it may be summer, it is always wise to carry a lightweight coat or a sweater during the evening as the temperatures may drop to 40-50 degrees.

Autumn in Aspen

Cold snaps and snow at the higher elevations are very common. The leaves are at their peak, with bright, vibrant colors during the end of September and the first part of October.

Winter in Aspen

One of the reasons that Aspen, Colorado weather is perfect for winter sports is that the warmth of the sun keeps winter months relatively mild from 20 to 40 degrees. But as soon as the sun sets, be sure that you have a jacket or a coat because the temperature can drop suddenly.

Spring in Aspen

Spring can be a mixed bag, as the days are either hot or cool and an occasional snowfall may appear. The bottom line? When considering Aspen, Colorado weather, be prepared for anything. Bring a sweater for cool evenings and take a raincoat.

Some Other Facts About Aspen Colorado Weather

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In January, the average high temperature is 35.6 degrees Fahrenheit. The warmest month is July, with the highest average high temperature of 78 degrees Fahrenheit. December has the lowest average high temperature, clocking in at 34 degrees.

When examining months with the highest average low temperature, you'll find that July has an average of 48.1 degrees Fahrenheit. The month with the lowest average low temperature is January (9.4 degrees Fahrenheit.)

What Is the Humidity Like in Aspen?

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Of course, whenever you're considering Aspen, Colorado weather, humidity should be an important consideration because it has a huge influence over how comfortable you will be.

When determining the humidity, it's important to consider the dew point. If the dew point is lower, the weather will feel drier. If the dew points are higher, the weather will feel more humid. While temperature can fluctuate widely between night and day, the dew point does not. It tends to change slowly. This is why even if the temperature falls at night, the evening my still feel "muggy."

The humidity level doesn't vary that much in Aspen, but the dew point is worth checking.

Wind in Aspen, Colorado

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Like many places, Aspen experiences varying wind speed throughout the year. Of course, the wind speed and direction is heavily influenced by topography.

The windiest time of year is from October 22 to June 22, lasting for about 8 months. The average speed of the wind is about 5.1 miles an hour. However, on April 11, the usual windiest day of the year, the wind speed is around 6.2 miles per hour.

June 22 to October 22 is much calmer, with August 1 marking the calmest day of the year. On this day the average wind speed is around 4 miles an hour.

Important Considerations About Topography

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Topography can influence wind speed and changes in elevation have an impact on temperature. Aspen has an 8,904-foot elevation. The largest change in elevation is 2,808 feet. Even within 10 miles there is wide variation in the elevation, around 6,437 feet. This becomes even more dramatic when you look over a 50 mile radius, where the variation is 8,950 feet.

What Is the Best Time of Year to Visit Aspen?

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Obviously, this depends upon what type of events you had planned. Fortunately, Aspen, Colorado weather remains pleasant throughout the year. When considering a time to go, it helps to calculate a tourism score.

This score gives priority to days that are clear, rainless, and have comfortable temps between 65 and 80 degrees Fahrenheit. If you use these calculations, the best days to visit Aspen are from late June to Mid August. The highest "tourism score" is the second week of July. This is the perfect time to visit if you are interested in outdoor summer-type activities.


Aspen, Colorado weather is a perfect backdrop for incredible activities such as skiing. The winters bring snow but can also be relatively mild, with temperatures registering from between 20 to 40 degrees. However, when the sun goes down, the temperature drops suddenly. Aspen also has a relatively low humidity which makes the weather more comfortable year-round.

While most people think of Aspen as a winter getaway, it also has very comfortable summers. These are dry summers, and even in the evenings the weather drops low enough that a light jacket would be a welcome addition—it's not unusual for the temperature to drop to 50 degrees.

The ideal time to visit Aspen varies depending upon what activities you want to do. The second week of July is the time gets the highest "tourism score" as the ideal time for a visit to Aspen, Colorado.

Featured image by: Pixabay


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