Last updated: June 2, 2025
In Sheridan, United States, awareness of the UV Index is crucial for maintaining skin health and preventing sunburns. Understanding UV levels empowers residents and visitors alike to take necessary precautions during peak sunlight hours. With Sheridan's semi-arid climate (BSk), the region experiences intense sunlight, particularly with UV Index values soaring to as high as 11 around noon. This makes it essential to stay informed and protected against the harmful effects of ultraviolet rays. Embrace the sun safely by knowing when to seek shade, apply sunscreen, or wear protective clothing!
The UV Index reaches its peak intensity between 12:00 PM and 2:00 PM, hitting a formidable high of 11. As the sun rises, the index begins at a gentle 1 at 7:00 AM, gradually escalating to 2 by 8:00 AM. By 9:00 AM, it ramps up to 4, and then surges past 5 at 10:00 AM, finally soaring to 9 at 11:00 AM. The intensity peaks at 12:00 PM with a UV index of 10, remaining steady at 11 until 2:00 PM. Post-peak, the UV radiation begins to decline, dropping to 9 at 3:00 PM, and then steadily descending back to 1 by 7:00 PM. It’s crucial to protect your skin during those midday hours when UV levels are at their 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 | 6 | high | 25 min |
11:00 | 9 | very high | 15 min |
12:00 | 10 | very high | 15 min |
13:00 | 11 | extreme | 10 min |
14:00 | 11 | extreme | 10 min |
15:00 | 9 | very high | 15 min |
16:00 | 7 | high | 25 min |
17:00 | 4 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, the UV Index varies significantly, impacting sun exposure risks. The high-risk months for UV exposure are March through August, where values peak at 11 in June and July, categorized as extreme. This means residents and visitors should take extra precautions during these months, as the burn time is drastically reduced to just 10 minutes in peak times. In contrast, from November to February, the UV Index drops to a more moderate level, with burn times extending to 30–45 minutes, making outdoor activities safer. To ensure safety, especially during the high UV months, it’s advised to apply sunscreen regularly, wear protective clothing, and seek shade during peak daylight hours.
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 |
Sheridan | 3 | 5 | 7 | 10 | 10 | 11 | 11 | 10 | 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 |