Weather in Spokane in August 2025
Average weather
Average temperature in Spokane in August
The expected average maximum temperature in August is +88°F with a maximum of +104°F and a minimum of +48°F.
The average maximum temperature goes down 39% by the end of the month, compared with the beginning of the month, from +91°F to +70°F.
Is Spokane warm or cold in August?
Spokane is typically warm in August.
Maximum temperatures go down compared to the previous month from +88°F to +86°F. The minimum temperature also goes up from +59°F to +59°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is one of the warmest months in Spokane, here is the comparison with other months:
Climate in Spokane in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +88°F | +86°F | +77°F | ||||
| Min. temperature | ||||||
| +43°F | +41°F | +27°F | ||||
| Max. temperature | ||||||
| +108°F | +106°F | +100°F | ||||
| Rainfall | ||||||
| 22 mm | 20 mm | 27 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 44% | 44% | 52% | ||||
| Air pressure | ||||||
| 1012 HPa | 1012 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 17 | 17 | 14 | ||||
| Cloudy days | ||||||
| 6 | 7 | 8 | ||||
| Rainy days | ||||||
| 6 | 6 | 8 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as good as in July. It’s getting colder in August. From +88°F in the day, the average maximum temperature lowers to +86°F. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 22 mm to 20 mm. Humidity levels don’t change as the month goes on, averaging around 44%. The average wind speed doesn’t change much during August, staying around 3 m/s. The amount of sunny days stay about the same, averaging 17 sunny days during the month.
September brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Spokane is gradually decreasing during August, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last August in Spokane?
Climate Change Over the Years
The climate in Spokane in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1985 (+57°F) and the highest in 2015 (+65°F). The driest year was 1985 with only 339 mm of rainfall, and the wettest year was 1995 with 743 mm.
FAQ
Is August a good time to visit Spokane?
Can you sunbathe in Spokane in August?
Is Spokane rainy in August?
Is it sunny in Spokane in August?
Other cities in USA
Monthly weather in Spokane
Source of the data
For this page, we’ve looked at the typical weather in Spokane, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
