Last updated: June 2, 2025
In Montpelier, United States, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding UV levels helps residents and visitors alike make informed decisions about sun exposure, especially on days when the index soars to 11 or 12 during midday hours. With Montpelier's Dfb climate—characterized by warm summers and chilly winters—it's essential to recognize the seasonal risks associated with UV exposure. By staying informed about daily UV levels, you can enjoy the outdoors while safeguarding your skin from harmful effects.
As the sun rises, the UV Index begins its ascent, starting at a modest 1 by 7:00 AM. By 9:00 AM, it jumps to 4, signaling that the sun is getting stronger. 10:00 AM witnesses a significant surge to 6, and just after 11:00 AM, the Index soars to its peak at 12. The intensity remains high, hitting 11 again by 2:00 PM, before gradually declining through the afternoon. At 4:00 PM, it drops to 7, and by 6:00 PM, it recedes further to 3, echoing the day's retreat. By the time night falls at 7:00 PM, the UV Index returns to a safe level of 1. Remember to stay protected during those peak hours between 11:00 AM and 2:00 PM!
| 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 | 11 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The UV Index exhibits significant seasonal changes, with notable increases from early spring through summer. March marks the transition to a very high risk of UV exposure, peaking in May and June with an extreme classification where the burn time is as little as 10 minutes. July and August maintain this intensity, emphasizing the importance of sun protection. Visitors and residents should stay vigilant during these high-risk months of March to August, taking precautions such as wearing sunscreen, protective clothing, and seeking shade to minimize the risk of skin damage. As the seasons shift into October and November, UV risks decrease, transitioning back to moderate levels with longer burn times, providing a safer environment for outdoor activities.
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 |
| Montpelier | 3 | 5 | 8 | 10 | 11 | 12 | 11 | 11 | 9 | 6 | 4 | 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 |