Tucson UV index in May
Typical ultraviolet levels for Tucson during May, from the past year of data.
Very High
Tucson
Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
10.4
UV Index
May average
Low
Moderate
High
Very High
Extreme
May UV
10.3714
Risk level
Very High
Yearly peak
11.1867
Peak month
July
Tucson UV index — monthly trend
Average UV index by month over the past year, with May highlighted.
Visiting Tucson in May?
In May, Tucson's typical UV index is about 10.3714 — 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, Tucson sees the strongest UV in Summer, peaking around 11.1867 in July. Plan sun protection accordingly.
