Washington UV Index

Live UV index and hourly forecasts for 2 cities in Washington. Spokane sees the state's strongest sun with an average UV index of 5.5 and about 171 sunny days a year.

UV Index in Seattle Avg UV 4.8 · 152 sunny days/yr · Peak: June - September UV Index in Spokane Avg UV 5.5 · 171 sunny days/yr · Peak: May - September

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