Honolulu UV index in January

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

Moderate Honolulu

Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.

January average

January UV
5.5624
Risk level
Moderate
Yearly peak
13.5602
Peak month
June

Honolulu UV index — monthly trend

Average UV index by month over the past year, with January highlighted.

How this is calculated

Visiting Honolulu in January?

In January, Honolulu's typical UV index is about 5.5624 — a moderate risk level. Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.

Across the year, Honolulu sees the strongest UV in Summer, peaking around 13.5602 in June. Plan sun protection accordingly.