UV Index in Nanakuli, United States

Last updated: May 3, 2025

Understanding the UV Index in Nanakuli, United States is crucial for protecting yourself from the harmful effects of ultraviolet radiation. With a tropical climate that often brings intense sunlight, being aware of UV levels can help prevent sunburn and promote long-term skin health. The UV Index can reach a maximum of 12 around midday, indicating very high risk for harm from unprotected sun exposure. By keeping an eye on these levels, you can enjoy the beautiful Hawaiian outdoors while safeguarding your skin from potential damage.

Hourly UV Index in Nanakuli

The UV Index today presents a notable ascent as the sun reaches its zenith. Starting from a modest 1 at 07:00, it gradually climbs to 2 by 08:00. The real surge begins by 09:00, where it hits 5, and peaks at a striking 12 between 12:00 and 13:00. This intense period signals a vital awareness for sun protection! As the day progresses, the index drops steadily, descending to 10 at 14:00 before tapering off to 7 at 15:00, and dwindling down to 1 by 18:00 and flatlining at 0 by 19:00. Be mindful of peak hours for sun exposure, especially during the late morning to early afternoon when UV intensity is at its highest!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	2	low	45 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Nanakuli

The UV Index experiences significant fluctuations throughout the year, with the highest levels typically occurring from March to October. During March to September, the index peaks, often reaching 12 or higher, categorizing these months as extreme exposure months, where burn time is as low as 10 minutes. Notably, July and August are the most critical months, with a UV Index of 13. To protect against harmful UV exposure, visitors and residents should take precautions such as wearing sunscreen, protective clothing, and sunglasses, especially during these high-risk months. As the year transitions to late fall and winter, UV levels decrease, with November and December presenting a lower risk, although caution is still advised with indexes of 8 and 7, respectively. Stay informed and protect your skin to enjoy outdoor activities safely!

Monthly Maximum UV Index for Nanakuli, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Nanakuli. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Nanakuli, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Nanakuli UV Index with Other United States Cities

The table above highlights how UV exposure in Nanakuli compares to other major locations across United States. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Nanakuli's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Chicago UVI	3	4	6	8	9	10	10	9	8	6	4	2
Brooklyn UVI	3	5	6	8	10	10	9	9	8	6	4	2
New York City UVI	3	5	6	8	10	10	9	9	8	6	4	2
Los Angeles UVI	4	6	8	9	10	11	11	10	10	7	5	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5
Nanakuli	8	10	11	12	12	12	13	13	12	11	8	7