Knoxville UV index in May
Typical ultraviolet levels for Knoxville during May, from the past year of data.
Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
May average UTC
Knoxville UV index — monthly trend
Average UV index by month over the past year, with May highlighted.
Visiting Knoxville in May?
In May, Knoxville's typical UV index is about 9.6591 — 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, Knoxville sees the strongest UV in Summer, peaking around 10.8046 in July. Plan sun protection accordingly.