Spokane weather in August 2025

Expect 29°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Spokane in August. Check more long-term weather averages for Spokane in August before you book your next holiday to Washington State in 2025/2026.

  • 29°C maximum daytime temperature in August in Spokane29
    29°C max day temperature
  • 11 hours of sunshine per day
  • 5 days with some rainfall in August in Spokane5
    5 days with some rainfall
  • 12°C minimum night-time temperature in August in Spokane12
    12°C min night temperature
  • 14 hours of daylight per day in August in Spokane14
    14 hours of daylight per day
  • Low heat & humidity in August in SpokaneL
    Low heat & humidity
  • 21 mm monthly rainfall in August in Spokane21
    21 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Spokane7
    7 (High) UV index

More about Spokane

Spokane by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Washington State

Air Canada: Low fares to the Americas

  • Save on flights to Canada, USA & the rest of the Americas
  • Book online for low fares with Air Canada
  • Fly to Toronto, Vancouver, New York, Cancun & more
Go to Air Canada deal >>

View all Air Canada offers

The August weather guide for Washington State (Spokane) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about the USA

How hot is it in Spokane in August?

Daytime temperatures usually reach 29°C in Spokane in August with low heat and humidity, falling to 12°C at night.

How sunny is it in Spokane in August?

There are normally 11 hours of bright sunshine each day in Spokane in August - that's 75% of daylight hours.

Does it rain in Spokane in August?

There are usually 5 days with some rain in Spokane in August and the average monthly rainfall is 21mm.

Spokane August sunrise & sunset times

Browse the sunrise and sunset times for Spokane in August 2025. Select a month to view Spokane sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:27 19:24
Saturday, 16th August 2025 04:47 18:59
Sunday, 31st August 2025 05:07 18:31

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^