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.
3.5
UV Index
October average
Low
Moderate
High
Very High
Extreme
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.
