Spokane (WA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Spokane.
Climate overview of Spokane
Spokane, Washington State, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 30°C (86°F) in July, while winters cool to 2°C (36°F) in December.
With around 456 mm (18 in) of annual rain/snowfall, Spokane has a fairly dry climate. However, it has two distinct dry seasons, April to May and July to October, with very warm summers and very cold winters. The wettest month is December, while July sees the least rain. July is the sunniest month, averaging 12.8 hours of sunshine per day.
Spokane Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Spokane - and find the best time to visit.
Monthly Temperature in Spokane
Depending on the time of the year, temperatures range from very warm to very cold in Spokane. Average daytime temperatures reach a very warm 30°C (86°F) in July. In December, the coolest month of the year, temperatures drop to a very cold 2°C (36°F).
At night, temperatures range from around 13°C (55°F) in July to -5°C (23°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Spokane
Spokane maintains relatively dry conditions year-round, recording average annual precipitation of 456 mm (18 in). Spokane can be quite wet during December, receiving approximately 70 mm (2.8 in) of precipitation over 15 snowy/rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 9.8 mm (0.4 in) of precipitation spread across 4 rainy days. For more details, please visit our Spokane Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Spokane
Spokane can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 12.8 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.0 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Spokane by Month
The relative humidity is high throughout the year in Spokane.
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
Best Time to Visit Spokane
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June and September
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: July, August and September
- Seasonal pattern: Two distinct dry seasons, April to May and July to October, with very warm summers and very cold winters
- Coldest conditions: December, with freezing nights around -5°C (23°F).
Frequently asked questions about the climate in Spokane
What is the best time to visit Spokane?
May, June and September typically offer the most optimal weather in Spokane. In contrast, January, March, November and December tend to have less optimal conditions. Spokane has two distinct dry seasons, April to May and July to October, with very warm summers and very cold winters.
What temperatures can I expect in Spokane?
Daytime highs range from 2°C (36°F) in December to 30°C (86°F) in July. Nighttime lows range from -5°C (23°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Spokane get?
Annual rainfall is around 456 mm (18 in). December is the wettest month with 70 mm (2.8 in), while July is the driest with 9.8 mm (0.4 in). In the coldest months, precipitation may fall as snow/rain.
How sunny is Spokane?
Spokane receives around 2,579 hours of sunshine per year. July is the sunniest month with 383 hours, while December is the cloudiest with just 60 hours. Overall, Spokane enjoys abundant sunshine.
Spokane 3-Day Forecast
Spokane (WA) 3-Day Forecast
Spokane on the map
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