Last updated: July 2, 2025
In Honaunau-Napoopoo, United States, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels is essential not only for preventing sunburns but also for minimizing long-term skin damage linked to excessive sun exposure. This coastal area, characterized by a temperate climate (Cfb), experiences UV indices that can soar as high as 14 during midday hours, presenting significant risks for sunburn and skin health. By staying informed about local UV levels, residents and visitors can enjoy the sun safely and keep their skin healthy year-round.
The UV Index begins its rise at dawn, peaking during midday hours. At 07:00, it starts low at 1, but as the sun climbs higher, it scales up to 14 by 12:00—the most intense exposure time. From 10:00 to 13:00, the UV Index reaches its zenith, peaking at 14. After this, it begins to decline gradually, dropping to 5 by 16:00, and further to 1 by 18:00. Finally, as the day turns to dusk at 19:00, the UV Index falls to a safe 0. Stay mindful of these hours when planning outdoor activities, as the strongest rays demand protective measures!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits noticeable seasonal fluctuations, peaking in the summer months, emphasizing August as the highest month with a UV Index of 15. From February through October, the UV levels consistently trend into the extreme category, necessitating caution for both visitors and residents, as the burn time is a mere 10 minutes during these months. High-risk months are clearly identified as March through October, with particular care advised in July and August. In contrast, January, November, and December present slightly lower risk with a very high exposure category, allowing for up to 15 minutes of exposure. To mitigate sun damage, it is crucial for individuals to apply adequate sun protection, seek shade, and limit time outdoors during peak UV hours, particularly from late morning to mid-afternoon.
UV Risk Categories
| 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 |
| Honaunau-Napoopoo | 9 | 12 | 13 | 14 | 14 | 14 | 14 | 15 | 14 | 13 | 10 | 9 |