Last updated: June 2, 2025
In the sun-kissed town of Hanama'ulu, awareness of the UV Index is crucial for safeguarding your skin's health. Understanding UV levels is essential not only for preventing painful sunburns but also for protecting against long-term skin damage. With Hanama'ulu's tropical climate and the potential for high UV exposure—peaking at an intense level of 12 during midday—being informed about daily UV conditions can make a significant difference in your outdoor activities. Stay protected under the sun, and enjoy all that this beautiful locale has to offer!
As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 07:00 and gently climbing to 2 by 08:00. The warmth of midday brings a significant surge, with the index peaking at a striking 12 between 12:00 and 13:00—a reminder to stay protected with sunscreen and hats! As the afternoon progresses, the levels gradually decline, dropping to 8 by 15:00 and further easing back to 1 by the time the sun sets at 19:00. This hourly fluctuation highlights the importance of being mindful of UV exposure, especially during those peak hours when the sun’s rays are strongest!
| 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 | 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 |
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 |
| Hanama'ulu | 7 | 10 | 11 | 11 | 13 | 12 | 13 | 13 | 12 | 10 | 8 | 7 |