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.
3
UV Index
March average UTC
Low
Moderate
High
Very High
Extreme
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.
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.