Last updated: May 3, 2025
In Kapaau, United States, staying aware of the UV Index is essential for protecting your skin and overall health. With maximum UV levels ranging from low to extreme throughout the day, understanding these numbers can help you effectively prevent sunburn and long-term skin damage. The tropical climate of Kapaau means residents and visitors alike are exposed to heightened UV risks, especially during midday hours when the Index peaks at 12. By staying informed about the UV Index, you can enjoy the sun responsibly while safeguarding your skin.
As the sun rises at 07:00, the UV Index starts at a mild 1, perfect for a calm morning stroll. However, by 09:00, it climbs to a moderate 5, indicating it's time to take some precautions. The real intensity hits between 11:00 and 13:00, where it peaks at an impressive 12—an extreme level demanding serious sun safety measures like sunscreen and hats. By 14:00, it begins to taper off to 10, still high but more manageable. As the afternoon wanes, the UV Index gradually drops to 4 at 16:00 and continues to decline to a gentle 1 by 18:00. Finally, as dusk approaches at 19:00, the UV radiation fades away to 0, signaling a well-deserved break from the sun's rays. Always stay informed and prioritize sun safety!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 9 | 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 |
The UV Index experiences significant seasonal fluctuations, with January and December marking the lower range at 8, indicating a very high exposure category and a burn time of 15 minutes. As we transition to February, the index climbs to 10, remaining in the very high category. March to September sees the peak, with values reaching 13 in the summer months of June, July, and August, all categorized as extreme with a minimal burn time of just 10 minutes. October slightly decreases to 11, before returning to 9 in November. For anyone visiting or residing in the area, it is crucial to take protective measures during the spring and summer months, particularly from March to September, where sun exposure is most dangerous. Wearing sunscreen, protective clothing, and seeking shade during peak hours are highly recommended to mitigate the risks of UV-related harm.
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 |
| Kapaau | 8 | 10 | 11 | 12 | 12 | 13 | 13 | 13 | 12 | 11 | 9 | 8 |