Last updated: June 2, 2025
Awareness of the UV Index is crucial for residents and visitors in Port Saint John, United States, where the climate can reach tropical highs during the summer months. Understanding UV levels is essential not just for sunburn prevention but also for maintaining long-term skin health—a little knowledge can go a long way in protecting against harmful sun exposure. With maximum UV values peaking at 12 during midday, the risks associated with sun exposure can be significant in this region. As you enjoy the vibrant outdoor lifestyle that Port Saint John offers, staying informed about UV conditions will help you enjoy the sun safely and effectively.
As the day unfolds, the UV Index reveals a dynamic landscape of sun exposure. Starting with a gentle 1 at 07:00 and 08:00, the intensity begins to rise steadily, peaking at 12 between 13:00 and 14:00—prime time for taking precautions against harmful rays. At 11:00, the index hits 8, indicating a strong need for sun protection. The afternoon sees a slight decline, but still significant levels of 9 at 15:00, before tapering off to 4 by 17:00. As the sun dips lower, the UV Index reduces to a mellow 2 at 18:00, finally settling back at 1 as evening approaches. It's a clear reminder to manage your sun exposure wisely, especially during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index exhibits significant seasonal fluctuations, peaking during the warmer months. From April to September, the region experiences extreme UV levels (Index 11-12), which necessitates heightened awareness and sun protection as the burn time is reduced to just 10 minutes. February and March also see very high UV exposure, with an index of 8 and 9 respectively, where burn times drop to 15 minutes. Conversely, November to December presents lower risks, with UV indices ranging from 5 to 7 and burn times extending to 25-30 minutes. Visitors and residents should prioritize sun safety, especially between April and September, by seeking shade, wearing protective clothing, and applying sunscreen frequently to mitigate the risk of overexposure during these high-risk months.
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 |
| Port Saint John | 6 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 11 | 9 | 7 | 5 |