Last updated: June 2, 2025
In Boonville, United States, understanding the UV Index is crucial for protecting yourself and your loved ones from harmful sun exposure. With typical UV levels peaking at an intense 11 around noon, awareness of these readings can help prevent sunburn and preserve long-term skin health. Located in a Csb climate zone, Boonville experiences a unique blend of seasonal weather that can affect UV exposure, making it all the more important for residents to stay informed. Whether you're enjoying outdoor activities or just going about your daily routine, knowing the UV Index can empower you to safeguard your skin against its harmful effects.
The UV Index reaches its peak intensity between 12:00 PM and 2:00 PM, hitting a formidable high of 11. As the sun rises, the index begins at a gentle 1 at 7:00 AM, gradually escalating to 2 by 8:00 AM. By 9:00 AM, it ramps up to 4, and then surges past 5 at 10:00 AM, finally soaring to 9 at 11:00 AM. The intensity peaks at 12:00 PM with a UV index of 10, remaining steady at 11 until 2:00 PM. Post-peak, the UV radiation begins to decline, dropping to 9 at 3:00 PM, and then steadily descending back to 1 by 7:00 PM. It’s crucial to protect your skin during those midday hours when UV levels are at their highest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 9 | 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 | 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 |
As the seasons change, so do the UV Index levels, which peak during the summer months. January and December see a moderate UV Index of 3, allowing for longer burn times of 30 minutes, while February holds steady at 5. The risk begins to rise in March with a high UV Index of 7 and a reduced burn time of 25 minutes. From April through July, the UV Index escalates to very high and extreme levels peaking at 11, resulting in very short burn times of just 10 minutes. August and September maintain a very high Index of 10 and 9, respectively, with burn times of 15 minutes. October decreases to a high level of 7, while risk subsides again in November and December. Visitors and residents are advised to take necessary precautions, especially during the high-risk months of April to September, by wearing protective clothing, applying sunscreen, and avoiding sun exposure during peak hours.
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 |
| Boonville | 3 | 5 | 7 | 8 | 11 | 11 | 11 | 10 | 9 | 7 | 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 |