Arvada (CO) monthly weather averages

Average daytime temperature

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

Arvada average temperature chart (Celsius) Arvada average temperature chart (Fahrenheit)
Average monthly temperatures in Arvada (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.3 8.1 10.9 15.9 21 26.5 30.1 28.8 24 18.7 11 6.9
°F 43.4 46.6 51.7 60.7 69.7 79.8 86.3 83.8 75.2 65.6 51.9 44.4

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.

Arvada monthly rainfall chart (mm) Arvada monthly rainfall chart (inches)
Average monthly rainfall in Arvada (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 14 18 35 46 69 43 52 41 32 26 25 16
inches 0.5 0.7 1.4 1.8 2.7 1.7 2 1.6 1.3 1 1 0.6
Rainy days 6 6 9 8 10 9 9 9 7 5 6 6

Average annual rainfall in Arvada: 350.167mm (137.9 inches)

Average daily sunshine

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

Arvada average daily sunshine chart
Average daily sunshine Arvada
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.7 8.2 8.9 10 10.2 11.4 11.3 10.6 9.8 8.8 7.2 7

Day / night temperatures

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

Arvada average minimum / maximum temperatures (Celsius) Arvada average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Arvada (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -8.9 -6.9 -4.1 0.5 5.5 10.1 13.5 12.4 7.6 1.9 -4 -7.9
Max °C 6.7 8.5 11.3 16.3 21.4 27 30.6 29.2 24.4 19.1 11.4 7.3
Min °F 16 19.7 24.6 32.9 41.8 50.1 56.2 54.3 45.7 35.4 24.8 17.9
Max °F 30 33.4 38.5 47.1 56.1 65.3 71.6 69.4 60.8 50.9 38.7 31.5

Sea temperature

The graph below shows the average sea temperature.

Arvada average sea temperature chart (Celsius) Arvada average sea temperature chart (Fahrenheit)
Average sea temperature around Arvada in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 11 10.8 11.1 11.8 13.2 15.1 17.2 18.9 18.2 15.9 13.6 11.9
°F 51.8 51.4 52 53.3 55.7 59.1 62.9 66 64.7 60.6 56.5 53.5

Wind speed

The graph below shows the average wind speed.

Arvada average winspeed by month (km/h) Arvada average winspeed by month (mph)
Average wind speed in Arvada (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 16 17 18 17 16 15 14 15 15 15 15
mph 10 10 11 11 11 10 9 9 9 9 9 9

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.

Arvada relative humidity averages
Average relative humidity in Arvada
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
55% 55% 53% 49% 51% 48% 48% 49% 50% 48% 55% 56%

Other monthly averages

UV index Best time to go?

Arvada weather stats

Arvada weather statistics
Hottest month: July 30.1°C 86.2°F
Driest month: January 14mm 0.6ins
Sunniest month: September 9.8hrs
Coldest month: January 6.3°C 43.3°F
Wettest month: May 69mm 2.7ins
Warmest sea: August 18.9°C 66°F
Map showing location of Arvada (39.80276, -105.08748) Arvada map pin © Google

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