Portland UV index in October
Typical ultraviolet levels for Portland during October, from the past year of data.
Moderate
Portland
Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.
4.2
UV Index
October average UTC
Low
Moderate
High
Very High
Extreme
October UV
4.1794
Risk level
Moderate
Yearly peak
9.9171
Peak month
July
Portland UV index — monthly trend
Average UV index by month over the past year, with October highlighted.
Visiting Portland in October?
In October, Portland's typical UV index is about 4.1794 — a moderate risk level. Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.
Across the year, Portland sees the strongest UV in Summer, peaking around 9.9171 in July. Plan sun protection accordingly.
