Last updated: June 2, 2025
Understanding the UV Index is crucial for the residents of Burlington, United States, as it provides vital information about sun exposure and its potential risks. With Burlington's semi-arid climate (BSk), the UV levels can rise significantly, especially during peak hours when values soar to 12—a number that underscores the importance of sunburn prevention and maintaining skin health. By being aware of these levels, you can take essential precautions, safeguarding your skin from harmful UV rays while enjoying the sunny outdoors. Awareness of the UV Index not only helps in preventing immediate effects like sunburn but also supports long-term skin health in Burlington's unique climate conditions.
During the day, the UV Index reveals a striking pattern of maximum exposure from 07:00 to 15:00. Starting off low with a mere 1 at 07:00, it rapidly climbs, reaching a peak of 12 at both 12:00 and 13:00—a clear sign for sun safety. As the afternoon progresses, the index gradually decreases, dropping to 9 by 15:00, and continuing downwards to finish the day at 1 by 19:00. It's essential to stay sun-smart and protect your skin, especially during the height of UV radiation from 10:00 to 14:00, when values soar to 10 and beyond. Stay aware and enjoy the sunny hours responsibly!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | 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 |
Throughout the year, the UV Index exhibits notable seasonal changes, significantly impacting the risk of sunburn. January and February start with a moderate UV Index of 4 and 5, allowing for a burn time of 30 minutes. However, as spring approaches, the UV Index rises sharply; by April it reaches a very high level of 10, reducing safe exposure to just 15 minutes. This trend continues, peaking in May and June at an extreme level of 11 and 12, where only 10 minutes of exposure is advisable. July and August maintain this extreme risk, while September sees a slight decrease to a very high 9, giving a burn time of 15 minutes. As the year closes, October and November return to high and moderate levels, respectively, with burn times extending back to 25 and 30 minutes, before falling to a moderate UV Index of 3 in December. Visitors and residents should prioritize sun safety, particularly during March to September, when UV exposure is significantly heightened. Sunscreen, protective clothing, and seeking shade during peak hours are strongly advised.
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 |
| Burlington | 4 | 5 | 7 | 10 | 11 | 12 | 11 | 11 | 9 | 7 | 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 |