Last updated: July 2, 2025
In Rainbow City, United States, being aware of the UV Index is crucial for protecting your skin and maintaining overall health. Understanding UV levels can significantly help in preventing sunburn and reducing the risk of long-term skin damage. With a Mediterranean climate (Csa) that often features intense sunlight, particularly between 10 AM and 2 PM when UV readings peak as high as 12, it's essential for residents and visitors alike to monitor these levels. By staying informed about the UV Index, you can enjoy the beautiful sunny days of Rainbow City while keeping your skin safe from harmful UV rays.
The UV Index throughout the day paints a vivid picture of sun intensity, peaking sharply in the late morning to early afternoon hours. At 7:00 AM, the index starts off at a mild 2, gradually climbing to 3 by 8:00 AM. As the sun ascends, it takes a significant leap to 6 at 9:00 AM, hitting a striking 9 by 10:00 AM. The real intensity ensues around midday, with the index reaching its zenith at 12 from 12:00 PM to 1:00 PM, demonstrating the importance of sun protection during these critical hours. As the afternoon progresses, the UV levels start to decline, dropping to 10 at 2:00 PM and tapering off to 5 by 4:00 PM. By the late evening, the index significantly diminishes, falling back to 1 by 6:00 PM and remaining low through 7:00 PM. This hourly trajectory serves as a clear reminder to stay vigilant about sun safety, especially during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure levels vary significantly, with the most intense months being March through September. During this period, particularly from April to September, the UV Index reaches extreme levels (11-13), corresponding to a burn time of just 10 minutes. February marks the beginning of the high-risk season with an Index of 7, while the months of October and November see a gradual decrease, falling back to moderate and high exposure categories, respectively. Visitors and residents should be particularly cautious during the summer months, adopting protective measures such as wearing sunscreen, protective clothing, and seeking shade, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. By staying informed about these seasonal changes, individuals can better protect their skin and overall health.
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 |
| Rainbow City | 5 | 7 | 10 | 11 | 12 | 13 | 12 | 12 | 11 | 8 | 6 | 5 |