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.
13.5
UV Index
July average UTC
Low
Moderate
High
Very High
Extreme
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.