Last updated: July 2, 2025
Understanding the UV Index in Monticello, United States, is crucial for safeguarding your skin from harmful ultraviolet radiation. High UV levels can lead to sunburns, premature aging, and increased skin cancer risk, making awareness a key component of skin health. With Monticello's Cfa climate contributing to substantial UV exposure, particularly during midday hours when the index peaks at a severe level of 11, it's vital to stay informed and take protective measures. Whether you're enjoying outdoor activities or simply soaking up the sun, knowing your UV levels can help you enjoy your time outside while keeping your skin safe.
At 07:00, the UV Index starts at a mild 1, perfect for an early morning stroll. As the day unfolds, the intensity gradually climbs, reaching 2 by 08:00 and 3 by 09:00. The sun packs a punch at 10:00, soaring to a 6. By 11:00, it hits a significant 8, warning us to take precautions. The peak intensity arrives at 12:00, where the UV Index surges to a blistering 11. It maintains this level until 14:00, demanding attention and protection from the sun's rays. A gradual decline starts at 15:00, lowering to 9, followed by 6 at 16:00. As evening approaches, the numbers drop further to 4 at 17:00, a gentle reminder of the sun's retreat. Finally, by 18:00, it's down to 2, and by 19:00, we're back to a comfortable 1, marking the end of a sun-drenched day. ✨
| 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 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | 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 |
Throughout the year, UV exposure varies significantly, with high-risk months emerging primarily from March to August. Notably, May to July sees peak UV Index values of 11 to 12, categorized as extreme, necessitating vigilant sun protection measures. For instance, during these months, the burn time can be as short as 10 minutes, making it crucial for visitors and residents to adopt effective sun safety practices, such as wearing protective clothing, using sunscreen, and seeking shade during peak hours. Conversely, in the months of January, February, November, and December, while the UV Index remains at a moderate to high level, the burn time increases to 25-30 minutes, allowing for slightly more leniency but still requiring precaution. Overall, awareness of these seasonal changes can enhance sun safety and minimize the risk of skin damage.
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 | 4 | 7 | 8 | 10 | 11 | 12 | 11 | 11 | 9 | 7 | 6 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |