Portland UV index in January
Typical ultraviolet levels for Portland during January, from the past year of data.
Low
Portland
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
1
UV Index
January average UTC
Low
Moderate
High
Very High
Extreme
January UV
0.9907
Risk level
Low
Yearly peak
9.9171
Peak month
July
Portland UV index — monthly trend
Average UV index by month over the past year, with January highlighted.
Visiting Portland in January?
In January, Portland's typical UV index is about 0.9907 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
Across the year, Portland sees the strongest UV in Summer, peaking around 9.9171 in July. Plan sun protection accordingly.