Denver UV index in January
Typical ultraviolet levels for Denver during January, from the past year of data.
Low
Denver
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
1.4
UV Index
January average UTC
Low
Moderate
High
Very High
Extreme
January UV
1.3725
Risk level
Low
Yearly peak
8.4927
Peak month
July
Denver UV index — monthly trend
Average UV index by month over the past year, with January highlighted.
Visiting Denver in January?
In January, Denver's typical UV index is about 1.3725 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
Across the year, Denver sees the strongest UV in Summer, peaking around 8.4927 in July. Plan sun protection accordingly.
