Last updated: May 3, 2025
Understanding the UV Index in Whiteriver, United States is crucial for safeguarding your skin health and preventing sunburn. With its Csa climate, Whiteriver experiences significant sunlight exposure, especially during peak hours when the UV Index can reach up to 12—a level that calls for immediate sun protection. By recognizing these UV levels, residents can take proactive measures to shield themselves from harmful ultraviolet rays, ensuring a healthier lifestyle for themselves and their loved ones. So, whether you're enjoying outdoor activities or simply soaking in the sun, being aware of the UV Index is your first line of defense against skin damage.
The UV Index for the day reveals a dynamic shift in sun exposure, peaking dramatically between 11:00 AM and 1:00 PM. Starting the morning with a mild maximum of 2 at 7:00 AM, the index steadily rises, reaching 12 by midday—an indication of high risk for harm from unprotected sun exposure. As the afternoon progresses, it dips to 10 at 2:00 PM and then gradually decreases to a more moderate level of 4 by 4:00 PM. By the evening, the UV Index settles back down to 1 by 6:00 PM, signaling a safe time to enjoy the outdoors again. Be sure to protect your skin 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 | 4 | 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 |
| Whiteriver | 5 | 7 | 10 | 11 | 12 | 13 | 12 | 12 | 11 | 8 | 6 | 5 |