Chicago UV index in July

Typical ultraviolet levels for Chicago during July, from the past year of data.

Very High Chicago

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

July average

July UV
9.2667
Risk level
Very High
Yearly peak
9.2667
Peak month
July

Chicago UV index — monthly trend

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

How this is calculated

Visiting Chicago in July?

In July, Chicago's typical UV index is about 9.2667 — 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, Chicago sees the strongest UV in Summer, peaking around 9.2667 in July. Plan sun protection accordingly.