Aspen (CO) monthly weather averages

  • Average daytime temperature

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

    Aspen average temperature chart
    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.

    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 daily sunshine

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

    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 9.4 8.7 7.1 7
  • Day / night temperatures

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

    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.

    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.

    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.

    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

Other monthly averages

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)

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