Kennewick Weather in August

During August, Kennewick experiences very high daytime temperatures of 32°C (90°F) and cooler nights around 15°C (59°F). As the driest month of the year, rainfall is at its lowest.

Rainfall in Kennewick in August

Dry conditions dominate this month. A great time for outdoor fun and exploration. Typically, you can expect about 2 days of rain this month, with 2.8 mm (0.1 in) on average. The odd shower may pass through, but it usually doesn't amount to much. A largely dry month overall.

Temperature in Kennewick in August

August tends to be one of the excellent months in Kennewick, with 32°C (90°F) in the afternoon and 15°C (59°F) overnight. It's usually most comfortable outside during the morning and later in the day. At 15°C (59°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

For Kennewick itself, April, May, June, September and October generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.