Last updated: July 2, 2025
Understanding the UV Index in Shenandoah is crucial for anyone looking to enjoy the outdoors while safeguarding their skin health. With maximum UV levels soaring to 10 during the peak hours of midday, awareness is key in preventing sunburn and long-term skin damage. The Dfa climate in Shenandoah brings typical risks of high UV exposure, particularly in the summer months, making it essential to know when and how to protect yourself from harmful rays. Stay informed and enjoy the sunshine responsibly!
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, seasonal changes in UV Index levels highlight varying risks associated with sun exposure. From January to February, UV levels remain moderate, with burn times of 30 minutes, making it a relatively safer period for outdoor activities. However, as March approaches, the UV Index escalates to 6, indicating higher caution is needed. The spring and summer months show a significant increase, peaking in June with an extreme UV Index of 11, where burn time reduces to just 10 minutes. High-risk months include April through August, with very high to extreme levels; visitors and residents should take extra precautions, like wearing sunscreen, hats, and protective clothing during these months. As the year progresses into October and November, UV levels decrease, returning to moderate levels by December, providing a safer environment for outdoor enjoyment. It’s essential for everyone to stay informed about UV levels and adjust their sun safety practices accordingly.
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 |
| Shenandoah | 3 | 5 | 6 | 9 | 10 | 11 | 10 | 9 | 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 |