SpringPeak season ~77°F highs

Things to do in Kennewick in May

May is one of the best months to visit Kennewick, with average highs around 77°F. Blooming parks and mild days make it easy to pack in sights.

Plan a May weekend Where else in May

Best picks for May

What's famous here, weighted toward what shines in May.

1Spring blooms

Umatilla National Forest

national forest in the U.S. states of Oregon and Washington

2Spring blooms

Hanford Reach National Monument

national monument in the United States

3Spring blooms

Whitman Mission National Historic Site

Holidays in May 2027

Memorial Day · Mon, May 31

Expect busier roads and pricier stays around these dates. See long weekends.

Also great in May in Washington

Yakima Vancouver Spokane

Kennewick in May: quick answers

Is May a good time to visit Kennewick?

May is one of the best months to visit Kennewick, with average highs around 77°F. Blooming parks and mild days make it easy to pack in sights.

What is the weather like in Kennewick in May?

Average daytime highs are around 77°F, compared with 94°F in the warmest month. Check the forecast a week out; our planner favors indoor stops on rainy days.

What are the best things to do in Kennewick in May?

Top picks for May: Umatilla National Forest, Hanford Reach National Monument, Whitman Mission National Historic Site, Juniper Dunes Wilderness, Palouse Falls State Park.