Washington Climate and Weather

Print our full travel guide to Washington

Climate

Washington's climate differs between west and east, divided by the Cascade Mountain range. The west of the state tends to have sunny, humid summers, and mild, very wet winters, averaging 80°F (27°C) in summer and 48°F (9°C) in the winter months. The east is drier and experiences more extremes in summer and winter. The western Cascades tend to receive some of the heaviest snowfall in the USA and temperatures can drop to 8°F (-13°C).