Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Lake Koshkonong, where the beautiful climate and outdoor activities can lead to increased exposure to harmful ultraviolet rays. The UV levels here can peak around 10, indicating a very high risk for sunburn and long-term skin health issues if protective measures are not taken. With its Dfa climate, Lake Koshkonong experiences warm summers, making it imperative to stay informed about UV risks throughout the day to ensure safe enjoyment of the bright lakeside sunshine. Being aware of these levels not only helps in preventing sunburn but also promotes healthier skin for everyone in and around this lovely locale.
The UV index on this particular day presents a notable trend as the sun rises and peaks. Starting at 07:00, the index is a gentle 1, gradually climbing to 2 by 08:00. The ascent continues as it reaches 4 at 09:00 and hits 6 by 10:00. Midday shines brightest, with the index soaring to a maximum of 10 at both 12:00 and 13:00, indicating a high potential for skin damage without protection. As the day progresses, values begin to dip, falling to 9 at 14:00, and then decreasing further to 8 at 15:00. By 16:00, the UV index drops to 6, and as evening approaches, it relaxes to 3 at 17:00, down to 2 by 18:00, and finally retreating to 1 at 19:00. It's a day that emphasizes the importance of sun protection during the peak hours!
| 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 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | 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 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index shows significant seasonal changes that impact sun safety for residents and visitors. From April to September, the UV Index peaks, reaching levels as high as 10 in the summer months of June and July. This indicates a very high exposure category, with a reduced burn time of only 15 minutes during these months. Conversely, during the winter months of December through February, the UV Index is considerably lower, ranging from 2 to 4, with a burn time of 30 to 45 minutes. Therefore, visitors and residents should be especially cautious during the high-risk months of April to September, and take appropriate protective measures, such as wearing sunscreen, protective clothing, and seeking shade, to minimize their risk of UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lake Koshkonong | 3 | 4 | 5 | 8 | 9 | 10 | 10 | 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 |