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Best time to visit Aspen, CO, USA

Our verdict

The best time to visit Aspen is October-November

Want to know when to travel to Aspen? Based on criteria such as the weather, cost of flights and hotels, and peak travel periods, October-November is the best time to go to Aspen. Don’t just take our word for it though… We’ve put together loads of information below to help you decide, such as a monthly breakdown of the weather, what to pack, when to fly, and much more.

In summer, the temperature in Aspen can rise as high as 25℃ (77℉). The average low temperatures in winter float around -3℃ (27℉), while the coldest it gets down to is about -8℃ (17℉).

If you’re a sun-chaser and want to visit Aspen when the days are longest, you should visit in June. On average it rains the most days in August, making it the wettest month of the year. Although it’s the wet season, it can often rain a little bit during the day or evening but have fine weather for a majority of the day too, so don’t let this put you off.

Find out everything you need to know about when to visit Aspen below, including detailed information about the weather and tools to help you find the best prices and book your trip.

Warmest month

July

Least rainfall

April

Most daylight

June

Aspen seasons

Before you continue, it’s important to know when the seasons are in Aspen as they might be different to yours depending on where in the world you’re travelling from. Aspen is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Aspen

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Aspen for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Aspen climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Aspen for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Aspen in January

  • Average temperature: -1℃ (31℉)
  • Average high temperature: 1℃ (34℉)
  • Average low temperature: -2℃ (28℉)
  • Average humidity: 88%
  • Average sunny days: 13 days
  • Average rainfall: 38mm (1") over 9 days
  • Average snow days: 10 days
13 days
of pure sunshine
9 days
of showers or rain

What to pack: If you’re heading to Aspen in January, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Aspen in February

  • Average temperature: -1℃ (31℉)
  • Average high temperature: 1℃ (34℉)
  • Average low temperature: -3℃ (27℉)
  • Average humidity: 89%
  • Average sunny days: 12 days
  • Average rainfall: 42mm (2") over 9 days
  • Average snow days: 10 days
12 days
of pure sunshine
9 days
of showers or rain

What to pack: If you’re heading to Aspen in February, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Aspen in March

  • Average temperature: 2℃ (36℉)
  • Average high temperature: 5℃ (41℉)
  • Average low temperature: -1℃ (31℉)
  • Average humidity: 83%
  • Average sunny days: 15 days
  • Average rainfall: 36mm (1") over 12 days
  • Average snow days: 5 days
15 days
of pure sunshine
12 days
of showers or rain

What to pack: If you’re heading to Aspen in March, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Aspen in April

  • Average temperature: 7℃ (45℉)
  • Average high temperature: 11℃ (51℉)
  • Average low temperature: 3℃ (38℉)
  • Average humidity: 73%
  • Average sunny days: 15 days
  • Average rainfall: 21mm (1") over 12 days
  • Average snow days: 1 days
15 days
of pure sunshine
12 days
of showers or rain

What to pack: If you’re heading to Aspen in April, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Aspen in May

  • Average temperature: 12℃ (53℉)
  • Average high temperature: 15℃ (60℉)
  • Average low temperature: 7℃ (44℉)
  • Average humidity: 73%
  • Average sunny days: 14 days
  • Average rainfall: 35mm (1") over 15 days
14 days
of pure sunshine
15 days
of showers or rain

What to pack: If you’re heading to Aspen in May, make sure you pack a warm jacket or coat.


Aspen in June

  • Average temperature: 15℃ (58℉)
  • Average high temperature: 18℃ (65℉)
  • Average low temperature: 10℃ (50℉)
  • Average humidity: 76%
  • Average sunny days: 13 days
  • Average rainfall: 35mm (1") over 15 days
13 days
of pure sunshine
15 days
of showers or rain

What to pack: If you’re heading to Aspen in June, make sure you pack a warm jacket or coat.


Aspen in July

  • Average temperature: 17℃ (63℉)
  • Average high temperature: 21℃ (69℉)
  • Average low temperature: 13℃ (55℉)
  • Average humidity: 76%
  • Average sunny days: 11 days
  • Average rainfall: 35mm (1") over 17 days
11 days
of pure sunshine
17 days
of showers or rain

What to pack: If you’re heading to Aspen in July, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.


Aspen in August

  • Average temperature: 16℃ (61℉)
  • Average high temperature: 19℃ (67℉)
  • Average low temperature: 12℃ (54℉)
  • Average humidity: 79%
  • Average sunny days: 9 days
  • Average rainfall: 57mm (2") over 20 days
9 days
of pure sunshine
20 days
of showers or rain

What to pack: If you’re heading to Aspen in August, make sure you pack a light jumper or hoodie.


Aspen in September

  • Average temperature: 13℃ (55℉)
  • Average high temperature: 16℃ (61℉)
  • Average low temperature: 10℃ (50℉)
  • Average humidity: 82%
  • Average sunny days: 10 days
  • Average rainfall: 47mm (2") over 16 days
10 days
of pure sunshine
16 days
of showers or rain

What to pack: If you’re heading to Aspen in September, make sure you pack a warm jacket or coat.

Aspen in October

  • Average temperature: 8℃ (47℉)
  • Average high temperature: 11℃ (51℉)
  • Average low temperature: 6℃ (42℉)
  • Average humidity: 84%
  • Average sunny days: 11 days
  • Average rainfall: 52mm (2") over 17 days
11 days
of pure sunshine
17 days
of showers or rain

What to pack: If you’re heading to Aspen in October, make sure you pack a warm jacket or coat.


Aspen in November

  • Average temperature: 4℃ (40℉)
  • Average high temperature: 6℃ (43℉)
  • Average low temperature: 3℃ (37℉)
  • Average humidity: 88%
  • Average sunny days: 11 days
  • Average rainfall: 35mm (1") over 15 days
  • Average snow days: 2 days
11 days
of pure sunshine
15 days
of showers or rain

What to pack: If you’re heading to Aspen in November, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Aspen in December

  • Average temperature: 1℃ (34℉)
  • Average high temperature: 3℃ (37℉)
  • Average low temperature: -1℃ (31℉)
  • Average humidity: 89%
  • Average sunny days: 10 days
  • Average rainfall: 51mm (2") over 15 days
  • Average snow days: 6 days
10 days
of pure sunshine
15 days
of showers or rain

What to pack: If you’re heading to Aspen in December, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.


Top FAQs

The hottest month of the year in Aspen is usually July, where temperatures tend to rise to around 21℃ (69℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Aspen is generally around April. The dry season often coincides with cooler weather, so you should check the temperatures in April first to make sure it’s still a good time to go.
The rainiest time of year in Aspen is generally around August, although the wetter season can sometimes extend a few months either side of August too.
If you want to get the most out of your time visiting Aspen, or if you're just afraid of the dark, the days in June are usually the longest between sunrise and sunset.

Aspen map