Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Lone Pine, United States, where the sun's intensity can reach alarming levels, especially during peak hours. With the UV Index peaking at 13 around midday, awareness of these levels is vital for preventing sunburn and protecting skin health. In this Csb climate zone, where sunny days are frequent, knowing when to seek shade can make all the difference in your outdoor activities. Stay informed and keep your skin safe from harmful UV radiation!
As the sun rises and the day unfolds, the UV Index climbs to its peak intensity. Starting at a gentle 1 at 7:00 AM, it swiftly rises to a 2 by 8:00 AM. The real action begins at 9:00 AM, where the index jumps to 5, signaling a brightening day. By 10:00 AM, the UV Index reaches 8, and it continues its ascent, soaring to a remarkable 11 at 11:00 AM. The zenith of UV exposure occurs at 12:00 PM, hitting 12, followed closely by a max of 13 at 1:00 PM. As the afternoon progresses, the index gracefully descends, cooling to 12 at 2:00 PM, and continuing to declaim to 9 by 3:00 PM. By late afternoon, it further drops to 6 at 4:00 PM, before gently settling into the evening with 4 at 5:00 PM, and finally easing down to 1 by 7:00 PM. With this dynamic shift, it's essential to stay protected during peak hours, especially when the sun is at its highest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels exhibit notable seasonal changes, peaking during the summer months. The highest risk for UV exposure occurs from March to September, with the most extreme levels (UV Index 12-13) recorded from May through August. In these months, the recommended burn time drops to just 10 minutes, indicating a critical need for sun protection. In contrast, levels are moderate to high from January to February and again in October and November, where burn times increase to 15-30 minutes. Residents and visitors should be especially cautious during the high-risk months of March through September, ensuring they wear appropriate sunscreen, protective clothing, and seek shade during peak sunlight hours to safeguard against 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 |
| Lone Pine | 5 | 6 | 9 | 11 | 12 | 13 | 13 | 12 | 11 | 8 | 6 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |