Last updated: May 3, 2025
Understanding the UV Index is crucial for the residents of Three Rivers, a vibrant community where the Cfa climate fosters warm summers and ample sunlight. With peak UV levels reaching a striking 12 around midday, being aware of this index can be a game-changer in terms of sunburn prevention and protecting your skin's health. Increased UV exposure can lead to immediate risks like sunburn, as well as long-term effects such as skin cancer. As you enjoy the beautiful outdoors in Three Rivers, staying informed about UV levels is essential to ensure your safety and well-being under the sun.
The day begins gently with a UV Index of 1 at both 07:00 and 08:00, indicating minimal sun exposure. However, as the clock strikes 09:00, the index rises to 3, signifying a gradual increase in UV intensity. By 10:00, it reaches 5, and the sun takes center stage at 11:00 with a striking 8. The peak arrives at 12:00, soaring to an impressive 10, and continues to climb, hitting its pinnacle with a dazzling 12 at 13:00. As the afternoon unfolds, values begin a slow descent: 11 at 14:00, 10 at 15:00, and then dropping to 7 by 16:00. The evening brings relief, with the index tapering down to 4 at 17:00, 2 at 18:00, and finally returning to a safe 1 by 19:00. Remember to stay protected 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 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 10 | 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 |
Throughout the year, the UV Index indicates significant seasonal changes that affect sun exposure risks. January and December experience a moderate UV Index of 5, allowing for a burn time of 30 minutes, while November sees a high UV Index of 7, with a burn time of 25 minutes. The risk escalates sharply from February to April, reaching an extreme UV Index of 11 in both April and May, with a critical burn time of only 10 minutes. The most high-risk months are April, May, June, August, and September, where the UV Index peaks at 12 and remains at 11, necessitating vigilant sun protection measures. Visitors and residents are strongly advised to minimize sun exposure during peak hours and to use proper sun protection, such as sunscreen, hats, and protective clothing, particularly from February through September.
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 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |
| Three Rivers | 5 | 8 | 9 | 11 | 11 | 12 | 11 | 12 | 11 | 9 | 7 | 5 |