Last updated: May 3, 2025
In Erwin, United States, staying informed about the UV Index is crucial for maintaining healthy skin and preventing sunburn. Understanding the fluctuating UV levels throughout the day can help residents and visitors make informed decisions about sun protection, especially during the peak hours of exposure. With Erwin's Cfa climate bringing warm summers and ample sunshine, the risk of harmful UV radiation peaks midday when the index climbs to levels of 10 and 11. By being aware of these readings, you can enjoy the outdoors while safeguarding your skin’s health.
The UV Index for the day showcases a striking pattern, starting moderate at 7:00 AM with a value of 1. As the sun climbs higher, the index steadily rises, hitting 3 by 9:00 AM, and then surging to a peak of 11 between 1:00 PM and 2:00 PM. This indicates a high risk of harm from unprotected sun exposure during midday. Following the peak, the UV Index gradually declines to 4 by 5:00 PM and further decreases to 1 by 7:00 PM, emphasizing the critical importance of sun protection during the intense midday hours. It’s advisable to seek shade and wear sunscreen if you're outside during the peak period!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 8 | 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 |
The UV Index experiences a significant increase from winter to summer, peaking during the high-risk months of May, June, and July, where it reaches an extreme level of 11 and a burn time of just 10 minutes. As we transition into spring, March and April also show very high levels (UV Index 8 and 10, respectively), resulting in a burn time of 15 minutes. Visitors and residents should be particularly cautious during these months, seeking shade, wearing protective clothing, and applying sunscreen frequently, as exposure can lead to skin damage in a matter of minutes. From August to October, the index gradually decreases; however, September and October still present high risks (UV Index 10 and 8) with a burn time of 15 minutes. As winter arrives, UV levels dip to moderate, and the burn times increase to 30 minutes in November and December, suggesting a lower risk of UV exposure. Always prioritize sun safety, especially in the warmer months.
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 |
| Erwin | 4 | 6 | 8 | 10 | 11 | 11 | 11 | 10 | 10 | 8 | 5 | 3 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |