Last updated: May 3, 2025
In Kapa'a, United States, staying informed about the UV Index is essential for safeguarding your skin against harmful ultraviolet rays. Understanding UV levels helps you take proactive measures to prevent sunburn and maintain overall skin health, especially in this tropical climate where exposure can be particularly intense. With midday UV Index readings soaring to a staggering 13, awareness of these levels is crucial for residents and visitors alike. Be proactive about sun safety and enjoy the beautiful Kapa'a sunshine while protecting your skin!
The UV Index throughout the day presents a striking peak in intensity, making sun safety a priority. At 7:00 AM, the day starts off gently with a low index of 1, increasing to 2 by 8:00 AM. As the sun climbs higher, the index soars to 8 by 10:00 AM and hits its maximum at 12:00 PM with a blistering 13. This high level persists into the early afternoon, remaining at 13 until 1:00 PM, before beginning a gradual decline. By 3:00 PM, it drops back to 8, and by the late afternoon, the risk diminishes to 2 at 5:00 PM. Finally, as the sun sets, the index returns to a comfortable 1 by 6:00 PM, emphasizing the importance of taking precautions during the peak hours to protect your skin.
| 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 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV levels exhibit significant seasonal changes, peaking during the warmer months. From January to December, the UV Index rises dramatically, reaching an extreme level of 13 from May to August, making these high-risk months for sun exposure. During this period, the recommended burn time drops to just 10 minutes, indicating the urgent need for protection such as sunscreen and clothing. February and March also present heightened danger, categorized as very high and extreme, respectively, where the burn time sharply decreases. As the year progresses towards October and November, the UV Index begins to decline, but still remains very high at 10 and 8, allowing for burn times of only 15 minutes. Visitors and residents are advised to exercise caution and take preventative measures, particularly from February through September, to mitigate the risks associated with high UV exposure.
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 |
| Kapa'a | 7 | 10 | 11 | 11 | 13 | 12 | 13 | 13 | 12 | 10 | 8 | 7 |