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.

January average UTC

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.