Last updated: July 2, 2025
In South Williamson, United States, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding UV levels helps residents and visitors alike take proactive measures against harmful ultraviolet rays, especially during the summer months when the index peaks. With a climate characterized by warm summers and moderate humidity, South Williamson can experience significant UV exposure, particularly around midday when the UV Index reaches highs of 11. By keeping an eye on these levels, you can better protect yourself and enjoy the outdoor activities that this vibrant community has to offer.
The UV Index throughout the day showcases an intriguing pattern of intensity. Starting low at 07:00 and 08:00, with a manageable score of 1, the sun's rays gradually intensify. By 09:00, the index climbs to 3, hinting at a warmer day ahead. The peak arrives at noon, hitting a striking 9, and just a little later, the UVI reaches its zenith at 13:00 and 14:00, both at an impressive 11. As the afternoon progresses, the UV exposure starts to wane, dipping to 9 at 15:00 and further decreasing to 5 by 17:00. The evening cools down significantly, with the index returning to the comfortable levels of 3 at 18:00 and finally resting at 1 by 19:00. Stay protected and enjoy the sun, especially 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 | 7 | high | 25 min |
| 12:00 | 9 | 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 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index demonstrates significant seasonal variation, peaking during the summer months. January and December see a moderate UV Index of 3, allowing for a burn time of 30 minutes. However, by February, the UV risk escalates to high with an index of 6, and this trend continues through March (UV Index 7) and April (UV Index 9), which are also considered high-risk months. The months of May to September present the highest UV exposure, with a very high index of 10 in May, June, and August, and an extreme rating of 11 in July, where the burn time shortens to just 10 minutes. October begins to see a reduction with a high UV Index of 7, followed by a moderate index of 5 in November. Given these fluctuations, it is advisable for both visitors and residents to take necessary sun protection measures, particularly from late spring through early fall, when UV exposure is most intense. Wearing protective clothing, applying sunscreen, and seeking shade during peak hours can help mitigate the risks associated with high UV exposure.
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 |
| South Williamson | 3 | 6 | 7 | 9 | 10 | 10 | 11 | 10 | 9 | 7 | 5 | 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 |