Dayton UV index in January
Typical ultraviolet levels for Dayton during January, from the past year of data.
Low
Dayton
Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
1.6
UV Index
January average
Low
Moderate
High
Very High
Extreme
January UV
1.5789
Risk level
Low
Yearly peak
9.9893
Peak month
July
Dayton UV index — monthly trend
Average UV index by month over the past year, with January highlighted.
Visiting Dayton in January?
In January, Dayton's typical UV index is about 1.5789 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.
Across the year, Dayton sees the strongest UV in Summer, peaking around 9.9893 in July. Plan sun protection accordingly.
