Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Goreville, United States, where sunny days and a humid subtropical climate can lead to heightened sun exposure risks. Being aware of UV levels helps in preventing sunburns and protecting your skin's health, minimizing long-term damage and reducing the risk of skin cancer. With the UV Index peaking at a high of 11 during midday, it's essential to take precautions when spending time outdoors. By learning to interpret the UV Index, you can enjoy the beautiful weather while keeping your skin safe from harmful rays.
As the sun rises, the UV Index begins steadily climbing, starting at a mere 1 at 7:00 AM. By 9:00 AM, it reaches a moderate 4, signaling more intense rays ahead. The peak arrives right at 12:00 PM, where the UV Index hits a sizzling 10, followed closely by a high of 11 at 1:00 PM—perfect times to seek shade and protect your skin. As the afternoon progresses, the numbers gently descend, dipping to 8 at 3:00 PM and eventually falling back to 1 by 7:00 PM. This hourly data paints a clear picture: mid-day offers the strongest sun exposure, making sun safety paramount during those crucial hours. Enjoy the sun, but stay protected!
| 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 | 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 |
Throughout the year, the UV Index exhibits significant seasonal variations that are crucial for both residents and visitors to consider. From January to February, the UV Index remains in the moderate category (3-5) with a burn time of 30 minutes, indicating relatively lower risk. However, as spring approaches, March brings an increase to a high index of 7, necessitating caution with a reduced burn time of 25 minutes. The most critical months for UV exposure occur from April to June, where the index peaks at 11, categorized as extreme and resulting in a burn time of just 10 minutes. July and August maintain similar high levels, followed by a slight decline in September (9). As the year winds down, the UV risk lessens, with October returning to high levels (7) and burn time increasing to 25 minutes, before settling back to moderate levels by year’s end in November and December. Visitors and residents are advised to take extra precautions during the high-risk months of April to September, including using sunscreen, wearing protective clothing, and seeking shade, especially during peak 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 |
| Goreville | 3 | 5 | 7 | 10 | 11 | 11 | 10 | 10 | 9 | 7 | 5 | 3 |
| 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 |