Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Sunray, United States, where the combination of a BSk climate and intense sunlight can lead to significant UV exposure. By keeping an eye on UV levels, you can effectively prevent sunburn and protect your skin health from long-term damage. With UV Index readings peaking at a high of 12 during midday hours, awareness of these levels helps residents make informed decisions about sun protection, ensuring outdoor activities remain safe and enjoyable throughout the year. Stay smart under the sun!
The UV Index throughout the day shows a dynamic fluctuation in sun intensity. Early morning, at 07:00 and 08:00, the index remains low at 1, indicating minimal sun exposure risk. As the sun rises, the index climbs to 3 by 09:00, then reaches a moderate level of 5 by 10:00. The real intensity kicks in at 11:00 with a peak of 8, and by 12:00, the UV Index surges to 10, signaling high exposure risk. The afternoon carries the highest readings, with a maximum of 12 at both 13:00 and 14:00, creating a need for sun protection. Following this peak, the index gradually declines, dropping to 11 at 15:00, and then easing to 8 at 16:00. As the day winds down, the index falls to 6 by 17:00 and continues to decrease through the evening, resting at a gentle 2 by 19:00. Overall, today’s UV Index reveals a typical midsummer day where one must be cautious during the peak hours of sunlight.
| 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 | 12 | extreme | 10 min |
| 15:00 | 11 | extreme | 10 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, the UV Index displays significant seasonal variations. The high-risk months, characterized by extreme UV levels and minimal burn times, are May through August, with June and July reaching a peak UV Index of 12 and an urgent burn time of just 10 minutes. As spring transitions to summer, the UV Index escalates from a moderate level of 4 in January to an extreme of 11 in May, then gradually declines again in fall and winter. Visitors and residents are advised to take precautions during these high-risk months, such as seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen to minimize the risks of skin damage from UV exposure. In contrast, during the moderate months of November and December, exposure is less critical, but protective measures are still recommended. Stay informed and protect your skin year-round!
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 |
| Sunray | 4 | 6 | 8 | 10 | 11 | 12 | 12 | 11 | 10 | 7 | 5 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |