Mesa UV index in January

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

Low Mesa

Low UV. You can safely enjoy being outside; the sun's rays are not very strong.

January average

January UV
2.3523
Risk level
Low
Yearly peak
10.317
Peak month
July

Mesa UV index — monthly trend

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

How this is calculated

Visiting Mesa in January?

In January, Mesa's typical UV index is about 2.3523 — a low risk level. Low UV. You can safely enjoy being outside; the sun's rays are not very strong.

Across the year, Mesa sees the strongest UV in Summer, peaking around 10.317 in July. Plan sun protection accordingly.