St. Louis UV index in July
Typical ultraviolet levels for St. Louis during July, from the past year of data.
Very High
St. Louis
Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
10.1
UV Index
July average UTC
Low
Moderate
High
Very High
Extreme
July UV
10.0513
Risk level
Very High
Yearly peak
10.0513
Peak month
July
St. Louis UV index — monthly trend
Average UV index by month over the past year, with July highlighted.
Visiting St. Louis in July?
In July, St. Louis's typical UV index is about 10.0513 — 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, St. Louis sees the strongest UV in Summer, peaking around 10.0513 in July. Plan sun protection accordingly.
