Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Po'ipu, United States, especially given its beautiful, tropical climate. The UV levels in this region can soar as high as 13 during midday, making awareness essential for sunburn prevention and overall skin health. By keeping an eye on the UV Index, you can take proactive measures to protect your skin from harmful effects of excessive sun exposure, particularly during the peak hours. With Po'ipu’s stunning beaches and outdoor activities, knowing how to stay safe under the sun is vital to enjoying everything this gorgeous destination has to offer!
As the sun rises, the UV Index begins at a gentle 1 at 07:00, indicating minimal risk for most people. As the day progresses, it swiftly ascends, peaking at an intense 13 by 13:00. This means that from 10:00 to 12:00, UV rays reach their zenith, urging everyone to seek shade and protect their skin, especially with a notable 11 at 11:00. As the afternoon wanes, the index gradually declines, settling back to a mild 1 by 18:00, allowing for a safer sunset stroll. It’s vital to be sun-smart during those peak hours to ensure a healthy, enjoyable day in the sun!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 11 | 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 | 1 | low | 45 min |
The UV Index shows notable seasonal changes, peaking during the late spring and summer months. From January to February, the index starts at 8 and rises to 10, marking a transition into very high exposure risk. The spring months of March and April escalate to an extreme level of 11 and 12, with minimal burn times of just 10 minutes. This extreme risk continues through the summer, peaking at 13 in May, July, and August—the highest risk months, demanding vigilant sun protection. As fall approaches, the UV Index gradually decreases, falling to 12 in September and 10 in October, before dropping further to 8 in November and 7 in December, where burn times increase to 25 minutes. Visitors and residents are advised to take necessary precautions, especially from March to September, by wearing protective clothing, applying sunscreen regularly, and limiting sun exposure during peak hours to minimize the risk of skin damage.
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 |
| Po'ipu | 8 | 10 | 11 | 12 | 13 | 12 | 13 | 13 | 12 | 10 | 8 | 7 |