Last updated: May 3, 2025
In Rainbow, United States, staying informed about the UV Index is crucial for protecting your skin from harmful sun exposure. Understanding UV levels can significantly aid in preventing sunburn and promoting long-term skin health. With a Mediterranean climate characterized by sunny summers and mild winters, residents and visitors in Rainbow face varying UV exposure risks throughout the day. During peak hours, such as between 11 AM and 1 PM, UV Index values can reach as high as 11, indicating an extreme risk of harm from unprotected sun exposure. Staying aware of these levels is essential for enjoying the outdoors safely.
The UV Index for the day presents a fascinating variation as the sun climbs higher in the sky. Starting from a gentle 1 at 07:00, the intensity gradually escalates, reaching a moderate 4 by 09:00. The peak hits at 12:00 and 13:00, soaring to an intense 11, indicating a significant risk of harm from unprotected sun exposure. As the afternoon unfolds, the index begins to decline, tapering to 8 at 15:00, and by the evening, it plummets back to a 1 by 18:00. This data serves as a reminder to stay vigilant about sun safety during those peak hours when UV exposure is at its 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 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, with the highest levels occurring from March to August. March and April both exhibit a very high UV Index of 9 and 10, respectively, leading to a burn time of only 15 minutes. The peak months, May and June, are classified as extreme with a UV Index of 11 and 12, necessitating caution as the burn time reduces to just 10 minutes. July and August continue this trend, remaining in the extreme category, before a gradual decline in September to 10 (very high) and further down to high with an Index of 7 in October. The year wraps up with moderate levels in November and December, where the burn time increases to 30 minutes. Given these variations, residents and visitors should take extra precautions from March through October, particularly during May and June, by wearing protective clothing, applying high-SPF sunscreen, and seeking shade to minimize their risk of sunburn and long-term skin damage.
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 |
| Rainbow | 4 | 6 | 9 | 10 | 11 | 12 | 12 | 11 | 10 | 7 | 5 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |