Typical Weather

Tri-Cities · United States

Weather in Tri-Cities in May

In May the typical daytime high in Tri-Cities is 21.1 °C on average, from 18.7 °C at the start to 23.5 °C at the end of the month.

The last 10 years were 0.7 °C warmer than more than 40 years ago.

Click a day for more: afternoon and night, the usual range, records and how fast it is warming.

The average of the weather stations Spokane Intl Ap (199 km) and Payette (299 km); nearer ones count more.