Dayton UV index in May

Typical ultraviolet levels for Dayton during May, from the past year of data.

Very High Dayton

Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.

May average

May UV
8.6994
Risk level
Very High
Yearly peak
9.9893
Peak month
July

Dayton UV index — monthly trend

Average UV index by month over the past year, with May highlighted.

How this is calculated

Visiting Dayton in May?

In May, Dayton's typical UV index is about 8.6994 — a very high risk level. Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.

Across the year, Dayton sees the strongest UV in Summer, peaking around 9.9893 in July. Plan sun protection accordingly.