Last updated: June 2, 2025
In Star Valley, United States, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding the daily UV levels can help you prevent sunburn and long-term skin damage, allowing you to enjoy the outdoors safely. With a Csa climate, Star Valley experiences significant UV exposure, especially during midday hours when values peak at a startling 13 around noon. By staying informed about UV intensity, residents can better plan their activities and incorporate effective sun protection strategies into their daily routines.
The UV Index for today reveals a dramatic rise in sunlight intensity as the day progresses. From a gentle start at 07:00 with a value of 2, the index climbs steadily to reach a peak of 13 by 12:00. 11:00 marks the onset of extreme caution, hitting 11, and swiftly moves to its highest point at 12:00. As the afternoon unfolds, the sun’s intensity begins to wane, dropping to 11 at 14:00, then gradually decreasing to 5 by 16:00. By the evening, the index returns to a low of 1 at both 18:00 and 19:00. Remember, during those peak hours, it's essential to protect your skin and stay hydrated!
| 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 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 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 displays significant seasonal variations that highlight periods of increased sun exposure risk. The high-risk months for UV exposure are primarily from March to August, peaking in June with an extreme UV Index of 13. During these months, the recommended burn time is as short as 10 minutes, indicating the necessity for diligent sun protection. Residents and visitors should be especially cautious during these peak months, utilizing sunscreen, wearing protective clothing, and seeking shade whenever possible. In contrast, the UV Index begins at a moderate level in January and December, allowing for longer exposure times of 30 minutes. Awareness of these seasonal changes and adherence to sun safety guidelines can significantly reduce the risk of harmful UV exposure.
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 |
| Star Valley | 4 | 7 | 9 | 11 | 12 | 13 | 12 | 11 | 11 | 8 | 6 | 5 |