Cascade (ID) monthly weather averages

Average daytime temperature

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

Cascade average temperature chart (Celsius) Cascade average temperature chart (Fahrenheit)
Average monthly temperatures in Cascade (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -2.5 1 4.7 10.5 16.1 21.1 26.5 25.8 20.5 13.6 4.1 -1.7
°F 27.4 33.8 40.5 50.9 60.9 69.9 79.7 78.5 68.9 56.5 39.4 28.9

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.

Cascade monthly rainfall chart (mm) Cascade monthly rainfall chart (inches)
Average monthly rainfall in Cascade (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 103 74 69 48 48 48 17 24 38 48 80 96
inches 4.1 2.9 2.7 1.9 1.9 1.9 0.7 1 1.5 1.9 3.1 3.8
Rainy days 13 11 12 10 9 8 5 6 7 7 12 13

Average annual rainfall in Cascade: 620.5mm (244.3 inches)

Average daily sunshine

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

Cascade average daily sunshine chart
Average daily sunshine Cascade
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.8 5.5 7.6 9.1 10.3 11.4 13.4 12 10.2 7.8 4 3.5

Day / night temperatures

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

Cascade average minimum / maximum temperatures (Celsius) Cascade average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Cascade (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -14.4 -11.9 -8.5 -4.3 -0.3 3.5 5.8 4.9 0.4 -4.1 -7.6 -13.2
Max °C -2.3 1.3 5.1 10.9 16.5 21.5 27 26.4 21 14.1 4.4 -1.5
Min °F 6.2 10.6 16.8 24.4 31.6 38.3 42.4 40.7 32.7 24.7 18.3 8.3
Max °F 17.1 22.5 28.9 37.9 46.6 54.5 61.5 60.1 51.3 41 29.1 18.9

Sea temperature

The graph below shows the average sea temperature.

Cascade average sea temperature chart (Celsius) Cascade average sea temperature chart (Fahrenheit)
Average sea temperature around Cascade in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.1 9 9.1 9.3 10.2 11.7 13.5 14.6 14.1 12.6 10.9 9.6
°F 48.4 48.2 48.3 48.8 50.4 53 56.2 58.2 57.4 54.7 51.7 49.3

Wind speed

The graph below shows the average wind speed.

Cascade average winspeed by month (km/h) Cascade average winspeed by month (mph)
Average wind speed in Cascade (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 13 14 16 17 16 15 14 14 14 13 14 13
mph 8 9 10 11 10 9 9 9 9 8 9 8

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.

Cascade relative humidity averages
Average relative humidity in Cascade
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
76% 72% 62% 54% 52% 49% 40% 41% 50% 59% 73% 78%