Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Dunbar, United States, where the combination of a humid subtropical climate and varying UV exposure levels increases the need for sun safety awareness. With peak UV levels reaching as high as 10 during midday hours, being informed about UV index readings is vital for preventing sunburn and protecting overall skin health. As you navigate the sunny days in Dunbar, keeping an eye on the UV Index can help you enjoy the outdoors while minimizing risks associated with overexposure to harmful UV rays. Stay vigilant and protect your skin by understanding the daily UV fluctuations in your area!
Throughout the day, the UV Index exhibits a remarkable ascent, peaking at an impressive 10 from 1 PM to 2 PM. Starting from a low of 1 at 7 AM, the index gradually escalates, reaching 9 by noon. The sun's intensity continues to grow, prompting caution as it hits 8 at 11 AM and maintains a 10 between 1 PM and 2 PM, marking the day's most hazardous exposure levels. As the afternoon progresses, the index starts to decline, falling to 6 at 4 PM, before tapering off to 2 by 6 PM and finally resting at 1 at 7 PM. This dynamic swing emphasizes the importance of sun protection during peak hours, especially between 11 AM and 2 PM.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV index levels experience notable fluctuations, with high-risk months primarily occurring from March to September. During this period, particularly in April, May, June, July, and August, the UV index reaches very high levels (9 to 10), indicating a significantly increased risk of harm from unprotected sun exposure, with a burn time as short as 15 minutes. It is crucial for both visitors and residents to take proactive measures, such as wearing sunscreen, protective clothing, and seeking shade during peak hours, especially from late spring to late summer. In contrast, the UV index drops to moderate levels in the winter months (January, February, November, and December), allowing for longer burn times of 30 minutes and a lower overall risk. Regular UV index monitoring is advisable to stay aware of risks throughout the changing seasons.
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 |
| Dunbar | 3 | 5 | 7 | 9 | 10 | 10 | 10 | 10 | 8 | 6 | 4 | 3 |
| 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 |