Seattle UV index in October

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

Moderate Seattle

Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.

October average UTC

October UV
3.5395
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 October highlighted.

Visiting Seattle in October?

In October, Seattle's typical UV index is about 3.5395 — 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.