Honolulu, Hawaii

High

6.4

UV Index · Now

Cover up.

Wear long sleeves, SPF 30+, and seek shade midday.

Unprotected

31 min

until skin starts to burn.

With SPF 30

15 hr 37 min

Average unprotected skin. Lighter skin burns faster, darker skin slower.

HeatComfortable

Air

27°

Feels like

27°

Humidity

53%

Questions about Honolulu today

What is the UV index in Honolulu right now?
The UV index in Honolulu, Hawaii is 6.4 — categorised as High. Wear long sleeves, SPF 30+, and seek shade midday.
Is it safe to go outside in Honolulu today?
Caution — UV is high (6.4) in Honolulu. Wear long sleeves, SPF 30+, and seek shade midday. The peak risk window is roughly 11 am to 4 pm.
How long does it take to get sunburn in Honolulu?
Average unprotected skin starts to burn in roughly 31 min at the current UV index of 6.4 in Honolulu. SPF 30 multiplies that window by about 30×. Lighter skin burns faster; darker skin burns more slowly.
What does the heat feel like in Honolulu today?
Air temperature is 27°C with 53% humidity, giving a "feels like" reading of 27°C — comfortable.
When is the safest time to step outside in Honolulu?
UV is highest between 11 am and 4 pm. Early mornings (before 9 am) and late afternoons (after 5 pm) are the safest windows for unprotected skin in Honolulu, especially through summer.
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Data: Open-Meteo · Cities: GeoNames (CC-BY 4.0) · Updated Tue 5:30 AM · Refreshes every 30 minutes