Spokane Valley (WA) monthly weather averages

Contents

Average daytime temperature

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

Spokane Valley average temperature chart (Celsius) Spokane Valley average temperature chart (Fahrenheit)
Average monthly temperatures in Spokane Valley (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 0.7 4.8 8.8 13.8 18.9 23.7 28.2 28 22.3 14.7 5.5 1.2
°F 33.2 40.6 47.8 56.9 66.1 74.6 82.8 82.5 72.1 58.5 42 34.1

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.

Spokane Valley monthly rainfall chart (mm) Spokane Valley monthly rainfall chart (inches)
Average monthly rainfall in Spokane Valley (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 71 50 48 37 44 40 20 25 24 36 69 76
inches 2.8 2 1.9 1.5 1.7 1.6 0.8 1 1 1.4 2.7 3
Rainy days 13 11 11 9 10 8 5 6 6 7 13 15

Average annual rainfall in Spokane Valley: 469mm (184.6 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Spokane Valley

Spokane Valley average daily sunshine chart
Average daily sunshine Spokane Valley
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.6 4.3 6.6 8.3 9.8 11.1 13.2 11.8 9.5 6.5 2.7 2.1

Day / night temperatures

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

Spokane Valley average minimum / maximum temperatures (Celsius) Spokane Valley average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Spokane Valley (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -5.9 -3.4 -1.4 1.5 5.4 9.4 11.8 11.6 7.2 2.2 -1.3 -4.9
Max °C 0.9 5 9 14.2 19.3 24 28.7 28.5 22.7 15 5.7 1.3
Min °F 21.5 25.9 29.5 34.6 41.6 48.9 53.2 52.8 44.9 36 29.7 23.2
Max °F 27.5 33.4 38.8 46 54.1 62.1 68.4 68 58.8 47.5 36 28.8

Sea temperature

The graph below shows the average sea temperature.

Spokane Valley average sea temperature chart (Celsius) Spokane Valley average sea temperature chart (Fahrenheit)
Average sea temperature around Spokane Valley in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.7 7.6 7.7 8.1 9 10.5 12.3 13.3 12.8 11.2 9.4 8.2
°F 45.9 45.7 45.9 46.5 48.1 50.9 54.1 56 55.1 52.1 48.9 46.7

Wind speed

The graph below shows the average wind speed.

Spokane Valley average winspeed by month (km/h) Spokane Valley average winspeed by month (mph)
Average wind speed in Spokane Valley (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 14 14 15 16 14 14 14 13 13 12 13 13
mph 9 9 9 10 9 9 9 8 8 7 8 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.

Spokane Valley relative humidity averages
Average relative humidity in Spokane Valley
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
82% 79% 70% 61% 58% 55% 46% 47% 56% 68% 82% 85%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Spokane Valley weather stats

Spokane Valley weather statistics
Hottest month: July 28.2°C 82.8°F
Driest month: July 20mm 0.8ins
Sunniest month: July 13.2hrs
Coldest month: January 0.7°C 33.3°F
Wettest month: December 76mm 3ins
Warmest sea: August 13.3°C 55.9°F
Map showing location of Spokane Valley (47.67323, -117.23937) Spokane Valley map pin © Google

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