Honolulu UV index in July
Typical ultraviolet levels for Honolulu 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
Honolulu UV index — monthly trend
Average UV index by month over the past year, with July highlighted.
Visiting Honolulu in July?
In July, Honolulu's typical UV index is about 13.5396 — a extreme risk level. Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
Across the year, Honolulu sees the strongest UV in Summer, peaking around 13.5602 in June. Plan sun protection accordingly.