Honolulu UV index in October
Typical ultraviolet levels for Honolulu during October, from the past year of data.
Very High
Honolulu
Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
10.5
UV Index
October average
Low
Moderate
High
Very High
Extreme
October UV
10.5159
Risk level
Very High
Yearly peak
13.5602
Peak month
June
Honolulu UV index — monthly trend
Average UV index by month over the past year, with October highlighted.
Visiting Honolulu in October?
In October, Honolulu's typical UV index is about 10.5159 — a very high risk level. Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
Across the year, Honolulu sees the strongest UV in Summer, peaking around 13.5602 in June. Plan sun protection accordingly.
