Phoenix UV index in December
Typical ultraviolet levels for Phoenix during December, from the past year of data.
Low
Phoenix
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
2.5
UV Index
December average UTC
Low
Moderate
High
Very High
Extreme
December UV
2.4973
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 December highlighted.
Visiting Phoenix in December?
In December, Phoenix's typical UV index is about 2.4973 — 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.
