Last updated: July 2, 2025
Understanding the UV Index in Hickam Field, United States, is crucial for protecting your skin from the sun's harmful rays. High UV levels, particularly during midday, can significantly increase the risk of sunburn and long-term skin damage, emphasizing the need for awareness and protection. Hickam Field enjoys a tropical climate, which often leads to elevated UV exposure risks, especially from 10:00 AM to 2:00 PM, when the index peaks at an alarming 13. By staying informed about daily UV levels, you can take proactive steps to safeguard your health while enjoying the sunny skies of Hawaii.
The UV Index during the day reveals a notable peak in sun exposure. Starting at 07:00 with a gentle 1, it gradually climbs to 2 by 08:00. As the sun rises higher, the index surges dramatically, hitting 5 at 09:00, and reaching a striking 8 by 10:00. The intensity peaks at 12:00 with a scorching 13, remaining high until 13:00. After that, it starts to decline, returning to 11 at 14:00 and falling to 8 by 15:00. As the afternoon wanes, the index drops to 5 at 16:00, and finally settles back to 1 by 18:00 and 19:00. This data highlights the importance of sun safety measures during the midday hours when UV exposure is at its highest.
| 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 | 5 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, so do the UV Index levels, which indicate varying risks of ultraviolet radiation exposure. Notably, March through October experience some of the highest UV Index readings, peaking at 13 in June, July, and August with an extreme exposure category and a burn time of only 10 minutes. High-risk months include February (UV Index 10), March (UV Index 11), and the summer months of June through August. Residents and visitors should take precautions, such as wearing sunscreen, protective clothing, and sunglasses, especially during these peak months. Even as November and December see lower levels, with UV Index readings of 8 and 7 respectively, it's wise to remain vigilant, as the potential for sunburn still exists. Always prioritize skin safety to enjoy the outdoors healthily!
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 |
| Hickam Field | 8 | 10 | 11 | 12 | 12 | 13 | 13 | 13 | 12 | 11 | 8 | 7 |