Washington UV index in August

Typical ultraviolet levels for Washington during August, from the past year of data.

Very High Washington

Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.

August average UTC

August UV
9.4937
Risk level
Very High
Yearly peak
10.4328
Peak month
July

Washington UV index — monthly trend

Average UV index by month over the past year, with August highlighted.

Visiting Washington in August?

In August, Washington's typical UV index is about 9.4937 — a very high risk level. Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.

Across the year, Washington sees the strongest UV in Summer, peaking around 10.4328 in July. Plan sun protection accordingly.