Las Vegas UV index in January
Typical ultraviolet levels for Las Vegas during January, from the past year of data.
Low
Las Vegas
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
1.9
UV Index
January average UTC
Low
Moderate
High
Very High
Extreme
January UV
1.9091
Risk level
Low
Yearly peak
9.9997
Peak month
July
Las Vegas UV index — monthly trend
Average UV index by month over the past year, with January highlighted.
Visiting Las Vegas in January?
In January, Las Vegas's typical UV index is about 1.9091 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
Across the year, Las Vegas sees the strongest UV in Summer, peaking around 9.9997 in July. Plan sun protection accordingly.