Spokane Valley (WA) Weather and Climate: A Comprehensive Guide
Spokane Valley experiences great temperature shifts.
The city's weather can transition from very warm days
to cold weather.
The city tends toward drier weather patterns.
Let's now guide you through the climate details for a complete overview.
Average maximum day and minimum night temperature
The climate in Spokane Valley is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 30°C in July to a chilly 2°C in the coolest month, December.
Nights are cooler, with lows often dropping to around -4°C during the colder months.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
With annual rain/snowfall averaging 469 mm, Spokane Valley maintains relatively low precipitation levels throughout the seasons. The climate in Spokane Valley shows significant variation throughout the year. Expect moderate snow/rainfall in December, with an average of 65 mm of precipitation over 15 snowy/rainy days.
In contrast, August offers drier and sunnier days, with around 12 mm of rainfall over 5 rainy days. For more details, please visit our Spokane Valley Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
For those who appreciate different seasons, Spokane Valley serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 12.8 hours of sunshine daily, and embrace the darker days in December, offering only 2.0 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Spokane Valley.
The city experiences its highest humidity in December, reaching 86%. In July, the humidity drops to its lowest level at 44%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Forecast for Spokane Valley (WA)
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Spokane Valley in the United States of America
During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Yes, the months of July, August and September are very dry.
July has an average maximum temperature of 30°C and is the warmest month of the year.
The coldest month is December with an average maximum temperature of 2°C.
December tops the wettest month list with 65 mm of rainfall.
August is the driest month with 12 mm of precipitation.
July is the sunniest month with an average of 383 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
