Mesa UV index in May

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

Very High Mesa

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

May average

May UV
9.3575
Risk level
Very High
Yearly peak
10.317
Peak month
July

Mesa UV index — monthly trend

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

How this is calculated

Visiting Mesa in May?

In May, Mesa's typical UV index is about 9.3575 — 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, Mesa sees the strongest UV in Summer, peaking around 10.317 in July. Plan sun protection accordingly.