Aspen (CO) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Aspen

Aspen average temperature chart (Celsius) Aspen average temperature chart (Fahrenheit)
Average monthly temperatures in Aspen (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -3.3 -1.8 0.7 6 12.8 18.5 21.8 20.6 16.7 11.3 2.9 -2.5
°F 26.1 28.8 33.2 42.7 55 65.3 71.3 69.1 62 52.4 37.2 27.5

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Aspen monthly rainfall chart (mm) Aspen monthly rainfall chart (inches)
Average monthly rainfall in Aspen (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 60 50 55 43 38 32 52 53 44 34 44 58
inches 2.4 2 2.2 1.7 1.5 1.3 2 2.1 1.7 1.3 1.7 2.3
Rainy days 7 7 10 8 9 8 11 11 9 7 7 7

Average annual rainfall in Aspen: 495.9mm (195.2 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Aspen

Aspen average daily sunshine chart
Average daily sunshine Aspen
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.7 8.3 8.8 9.8 10.3 11.2 10.7 10.1 9.4 8.7 7.1 7

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Aspen average minimum / maximum temperatures (Celsius) Aspen average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Aspen (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -20 -18.5 -14.5 -10 -5 -1.6 1.9 1.3 -2.8 -7.6 -13.1 -18.3
Max °C -2.9 -1.4 1.1 6.4 13.2 19 22.3 21.1 17.2 11.8 3.3 -2.1
Min °F -3.9 -1.2 6 14.1 23 29.1 35.4 34.3 27.1 18.3 8.5 -0.9
Max °F 11.5 14.2 19.9 28.8 39.4 47.7 53.8 52.2 45 35.8 23.2 13.6

Sea temperature

The graph below shows the average sea temperature.

Aspen average sea temperature chart (Celsius) Aspen average sea temperature chart (Fahrenheit)
Average sea temperature around Aspen in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 11.1 10.8 11.1 11.8 13.1 14.9 17 18.7 18 15.8 13.6 12
°F 51.9 51.5 52 53.2 55.6 58.9 62.7 65.6 64.4 60.5 56.5 53.5

Wind speed

The graph below shows the average wind speed.

Aspen average winspeed by month (km/h) Aspen average winspeed by month (mph)
Average wind speed in Aspen (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 17 18 19 18 17 16 16 16 16 16 16
mph 10 10 11 12 11 11 10 10 10 10 10 10

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Aspen relative humidity averages
Average relative humidity in Aspen
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
58% 54% 49% 44% 44% 41% 46% 48% 48% 48% 56% 59%
Aspen

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Aspen weather stats

Aspen weather statistics
Hottest month: July 21.8°C 71.2°F
Driest month: June 32mm 1.3ins
Sunniest month: October 8.7hrs
Coldest month: January -3.3°C 26.1°F
Wettest month: January 60mm 2.4ins
Warmest sea: August 18.7°C 65.7°F
Map showing location of Aspen (39.1911, -106.81754) Aspen map pin © Google

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