Louisville UV index in May
Typical ultraviolet levels for Louisville during May, from the past year of data.
Very High
Louisville
Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
9.2
UV Index
May average
Low
Moderate
High
Very High
Extreme
May UV
9.1846
Risk level
Very High
Yearly peak
10.2785
Peak month
July
Louisville UV index — monthly trend
Average UV index by month over the past year, with May highlighted.
Visiting Louisville in May?
In May, Louisville's typical UV index is about 9.1846 — 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, Louisville sees the strongest UV in Summer, peaking around 10.2785 in July. Plan sun protection accordingly.
