Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Wahiawa, United States, where the sun shines brightly for much of the year. With average UV levels peaking at a formidable 13 in midday hours, being aware of these numbers can help you protect your skin from harmful rays and prevent painful sunburns. Wahiawa’s tropical climate brings a unique set of challenges, making it essential to stay informed about your sun exposure. By monitoring the UV Index, you can make smarter decisions about outdoor activities, ensuring your skin health remains a priority while enjoying the beautiful Hawaiian outdoors.
Throughout the day, the UV Index experiences a dramatic rise, reaching its peak at 12:00 PM with a staggering value of 13. Early morning brings a gentle start, with values at 1 by 07:00 AM, gradually climbing to 3 by 08:00 AM. The intensity rises sharply as the sun climbs higher, hitting 11 at 11:00 AM and reaching the critical 13 at noon, signaling the need for sun protection. As the afternoon progresses, the index begins to taper off, dropping to 10 at 2:00 PM and winding down to 5 by 4:00 PM. By evening, the UV Index drops back to a minimal 1 by 7:00 PM, wrapping up a day of fluctuating sun exposure. Stay vigilant and protect your skin during those peak hours!
| 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 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 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 |
| Wahiawa | 8 | 10 | 11 | 12 | 12 | 13 | 13 | 13 | 12 | 11 | 8 | 7 |