Phoenix UV index in January
Typical ultraviolet levels for Phoenix during January, from the past year of data.
Low
Phoenix
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
2.3
UV Index
January average UTC
Low
Moderate
High
Very High
Extreme
January UV
2.3425
Risk level
Low
Yearly peak
10.278
Peak month
July
Phoenix UV index — monthly trend
Average UV index by month over the past year, with January highlighted.
Visiting Phoenix in January?
In January, Phoenix's typical UV index is about 2.3425 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
Across the year, Phoenix sees the strongest UV in Summer, peaking around 10.278 in July. Plan sun protection accordingly.
