Last updated: June 2, 2025
Understanding the UV Index in Boone, United States, is crucial for protecting your skin and overall health. With the area's Cfb climate, residents and visitors should be particularly aware of the UV exposure risks, especially during peak hours when the index soars to levels of 10 and 11 around midday. By keeping track of UV levels, you can effectively prevent sunburn, reduce the risk of skin cancer, and enjoy outdoor activities safely. Awareness of the UV Index is your first line of defense against harmful rays, making it essential to stay informed and take appropriate precautions!
As the sun rises, the UV Index starts low at 1 at 07:00 and 08:00, perfect for a leisurely morning. By 09:00, it climbs to 3, signaling that it's time to enjoy some shade. The intensity peaks sharply at 12:00 with a maximum index of 10, indicating a high risk of harm from unprotected sun exposure. Continuing at 13:00 and 14:00, the index holds steady at 11, urging caution with the midday sun blazing down. As the afternoon progresses, the UV levels begin to wane, dropping to 7 by 16:00, and further decreasing to 2 by 18:00. Finally, the day winds down with a gentle 1 at 19:00, marking a safe return to outdoor activities as the sun sets. Be sure to protect your skin 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 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure fluctuates significantly, peaking in the summer months. The highest risk for sunburn occurs from April to August, when the UV Index consistently reaches 11 (extreme). During these months, the recommended burn time is a mere 10 minutes, highlighting the urgent need for protective measures. In March and September, the UV Index remains very high at 8 and 10, respectively, urging caution with a burn time of 15 minutes. Meanwhile, January, February, November, and December experience lower UV levels, categorized as moderate to high, with more extended burn times. Visitors and residents are advised to take appropriate precautions, such as wearing sunscreen, protective clothing, and seeking shade, especially during the peak summer 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 |
| Boone | 4 | 6 | 8 | 11 | 11 | 11 | 11 | 11 | 10 | 8 | 6 | 3 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |