Last updated: May 3, 2025
Understanding the UV Index in Vicksburg, United States is crucial for safeguarding your skin health and preventing sunburn. The UV Index provides a clear indication of the sun's strength, helping residents and visitors alike to make informed decisions about sun exposure. With Vicksburg's BWh climate, characterized by warm summers and rich sunshine, the risks associated with high UV levels—particularly around midday—can escalate quickly. From mythical mornings with an index of 1 to dangerously high levels peaking at 12 around noon, being aware of the UV Index empowers you to enjoy the outdoors safely while protecting your skin.
The UV Index data presents a clear peak in sun intensity during the midday hours. Starting from a low of 1 at 07:00, the values gradually increase, reaching a significant rise at 10:00 with a sharp climb to 8. The pinnacle occurs at 12:00, where the UV Index soars to a maximum of 12, indicating a high risk of harm from unprotected sun exposure. As the afternoon progresses, the index begins to decline, dropping to 10 by 14:00 and then gently tapering off to 4 by 16:00. By evening, the UV Index settles back down to 1 after 18:00, emphasizing the importance of sun safety during those peak hours between 11:00 and 14:00. Stay protected and enjoy the sun safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index demonstrates significant seasonal variation, peaking during the warmer months from March through August, where values reach extreme levels (UV Index 10-12), particularly in May, June, and July. During these months, the burn time shortens to as little as 10 minutes, indicating a heightened risk of skin damage from sun exposure. High-risk months include March, April, May, June, July, and August, all marked by very high to extreme UV indices. Residents and visitors should take necessary precautions, such as wearing sunscreen, protective clothing, and seeking shade, especially during peak sun hours to reduce the risk of sunburn and long-term skin damage. As the index decreases in the fall and winter months, November and December present lower risks, with moderate levels and longer burn times of 30 minutes. Nonetheless, it is advisable to remain vigilant and protect the skin during all months of the year.
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 |
| Vicksburg | 4 | 6 | 9 | 10 | 12 | 12 | 12 | 11 | 10 | 8 | 5 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |