Last updated: August 1, 2025
In Calhoun City, United States, being aware of the UV Index is crucial for maintaining your skin's health and preventing sunburn. With typical peak UV levels reaching an intense 11 around noon, understanding these UV fluctuations can make a significant difference in your daily outdoor activities. This Cfa climate zone, characterized by hot summers, amplifies the risk of overexposure to harmful UV radiation. By staying informed about the UV Index and taking appropriate precautions, residents can enjoy the sunny days while protecting their skin from potential damage.
Expect a sunny day with a fluctuating UV Index that peaks at 11 around midday. The morning starts off gentle, with values rising from 1 at 7:00 AM to 4 by 9:00 AM. As the sun climbs higher, the UV Index escalates sharply, reaching 9 by 11:00 AM and hitting its highest point of 11 at both 12:00 PM and 1:00 PM. After the sun’s zenith, the UV levels gradually decline, dropping to 10 at 2:00 PM and tapering off to 1 by 7:00 PM. Remember to protect your skin during those peak hours for a safe and enjoyable day outdoors!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 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 |
The UV Index varies significantly throughout the year, peaking during the summer months and indicating the best precautions for sun exposure. January and December see moderate UV levels (Index 4), with a burn time of 30 minutes. February marks the transition to high UV levels (Index 7) and a reduced burn time of 25 minutes. The high-risk period begins in March, escalating to very high levels (Index 8 and higher) in April and an extreme UV Index of 11 from May through August. Visitors and residents should take extra precautions during these months, limiting sun exposure to just 10 minutes and using protective clothing, sunscreen, and shade to prevent skin damage. Risk levels decrease in September and October, providing some relief, though caution should still be exercised given the high index readings. In summary, stay vigilant during the peak months of May to August, ensuring safe sun practices to guard against harmful UV radiation.
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 |
| Calhoun City | 4 | 7 | 8 | 10 | 11 | 11 | 11 | 11 | 9 | 7 | 6 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |