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.
5.6
UV Index
January average UTC
Low
Moderate
High
Very High
Extreme
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.
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.