Houston UV index in July
Typical ultraviolet levels for Houston during July, from the past year of data.
Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
July average
Houston UV index — monthly trend
Average UV index by month over the past year, with July highlighted.
Visiting Houston in July?
In July, Houston's typical UV index is about 11.96 — a extreme risk level. Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
Across the year, Houston sees the strongest UV in Summer, peaking around 11.96 in July. Plan sun protection accordingly.