Seattle UV index in March

Typical ultraviolet levels for Seattle during March, from the past year of data.

Low Seattle

Low UV. You can safely enjoy being outside; the sun's rays are not very strong.

March average

March UV
2.9719
Risk level
Low
Yearly peak
9.4524
Peak month
July

Seattle UV index — monthly trend

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

How this is calculated

Visiting Seattle in March?

In March, Seattle's typical UV index is about 2.9719 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.

Across the year, Seattle sees the strongest UV in Summer, peaking around 9.4524 in July. Plan sun protection accordingly.