Last updated: June 2, 2025
Understanding the UV Index in Monticello, United States is crucial for protecting your skin and overall health. With high UV levels reaching up to 12 during midday hours, awareness is essential for preventing sunburn and long-term skin damage. Monticello's humid subtropical climate (Cfa) not only brings warm summers but also significant sun exposure, making it important for residents and visitors alike to stay informed. By tracking the UV Index, you can enjoy the outdoors safely while safeguarding your skin from harmful rays.
From the crack of dawn, at 07:00, the UV Index begins its climb with a gentle 1, indicating a low risk of harm from unprotected sun exposure. As the sun rises higher, it reaches 2 by 08:00 and escalates to 4 at 09:00. The intensity peaks dramatically at 12:00, hitting a scorching 11, where caution is urged! At 13:00, the UV Index reaches its zenith at 12, reminding sun-seekers to stay shaded and protected. As the afternoon wanes, the index gradually decreases: sliding down to 10 by 14:00, then 8 at 15:00, and down to 6 by 16:00. The late hours bring a welcome reprieve, with 3 at 17:00 and finally settling at a safe 2 by 18:00 and 1 by 19:00. This UV Index journey highlights the importance of vigilance during those peak hours when the sun’s rays are most potent.
| 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 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the year progresses, UV Index levels and exposure categories exhibit notable seasonal changes, indicating varying risks for sun exposure. January and December are relatively safer months, categorized as moderate (UV Index 5 and 4, respectively) with burn times of 30 minutes. However, the risk escalates significantly from February through August, where the UV Index peaks at 12 (extreme) in June, necessitating precautions like limiting sun exposure to just 10 minutes. The high-risk months for sun exposure are March to August, with particular emphasis on the spring and summer months when individuals should take proactive measures against harmful UV radiation. As fall approaches, the risk lessens; September and October are marked by a very high UV Index, with burn times returning to 15 minutes. To protect yourself during the peak UV months, it’s advisable to wear protective clothing, apply sunscreen, and seek shade whenever possible, especially during midday 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 |
| Los Angeles UVI | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
| Monticello | 5 | 7 | 9 | 11 | 11 | 12 | 11 | 11 | 10 | 8 | 6 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |