Seattle UV index in April
Typical ultraviolet levels for Seattle during April, from the past year of data.
Moderate
Seattle
Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.
5.5
UV Index
April average UTC
Low
Moderate
High
Very High
Extreme
April UV
5.4692
Risk level
Moderate
Yearly peak
9.4524
Peak month
July
Seattle UV index — monthly trend
Average UV index by month over the past year, with April highlighted.
Visiting Seattle in April?
In April, Seattle's typical UV index is about 5.4692 — a moderate risk level. Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.
Across the year, Seattle sees the strongest UV in Summer, peaking around 9.4524 in July. Plan sun protection accordingly.
