Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Mound City, United States, where the sun's rays can pose significant health risks, especially during the warmer months. With peak UV levels reaching as high as 9 in the afternoon, being aware of these values can help you take essential precautions against sunburn and long-term skin damage. Mound City's climate, classified as Dfa, brings considerable sunlight, making it even more important to monitor UV exposure and protect your skin. Stay informed, stay protected, and enjoy the sunshine responsibly!
As the sun rises, the UV Index begins its steady climb, starting from a mild 1 at 07:00 and remaining low throughout the morning. By 09:00, it reaches 2, but the real action begins around 10:00 when it surges to 4. The peak of the day occurs between 12:00 and 14:00, with an impressive high of 9, indicating a potent sun that demands attention and protection. As the afternoon wanes, the index gradually drops—first to 8 at 15:00, then gently declining to 6 by 16:00. The evening sun softens its glare, with the index falling to 2 at 18:00 and finally settling back to 1 by 19:00. It’s a day to embrace the sun wisely, with the highest intensity reminding us to stay protected during peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | 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 notable seasonal fluctuations, with low exposure in January and December (UV Index 2) and moderate to high exposure from February through October. The high-risk months for UV exposure are May through September, where the UV Index peaks at 10 in June and remains above 8 throughout the summer. During these months, the recommended burn time significantly decreases to just 15 minutes, indicating a pressing need for protective measures. Accordingly, visitors and residents are advised to take precautions, such as wearing sunscreen, protective clothing, and seeking shade, especially during peak UV hours from 10 AM to 4 PM. As the season transitions to November and December, UV risk diminishes, allowing for safer outdoor activities without the same level of concern.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mound City | 2 | 5 | 5 | 7 | 9 | 10 | 9 | 9 | 8 | 5 | 3 | 2 |
| 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 |