Honolulu UV index in July

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

Extreme Honolulu

Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.

July average UTC

July UV
13.5396
Risk level
Extreme
Yearly peak
13.5602
Peak month
June

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.