Typical Weather

Tri-Cities · United States

Weather in Tri-Cities in December

In December the typical daytime high in Tri-Cities is 2.3 °C on average, from 4.0 °C at the start to 1.4 °C at the end of the month.

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.