Fresno UV index in August

Typical ultraviolet levels for Fresno during August, from the past year of data.

Very High Fresno

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

August average

August UV
9.8141
Risk level
Very High
Yearly peak
10.4849
Peak month
July

Fresno UV index — monthly trend

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

How this is calculated

Visiting Fresno in August?

In August, Fresno's typical UV index is about 9.8141 — 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, Fresno sees the strongest UV in Summer, peaking around 10.4849 in July. Plan sun protection accordingly.