Houston UV index in May
Typical ultraviolet levels for Houston during May, from the past year of data.
Extreme
Houston
Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
11.1
UV Index
May average UTC
Low
Moderate
High
Very High
Extreme
May UV
11.1448
Risk level
Extreme
Yearly peak
11.96
Peak month
July
Houston UV index — monthly trend
Average UV index by month over the past year, with May highlighted.
Visiting Houston in May?
In May, Houston's typical UV index is about 11.1448 — 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.
