Last updated: May 3, 2025
Understanding the UV Index is essential for residents and visitors of Iron Mountain Lake, United States, as it plays a crucial role in protecting against harmful sun exposure. With the area's climate classified as Cfa, the typical summer days can bring increased UV radiation, making awareness vital for sunburn prevention and overall skin health. During peak hours, such as 12 PM to 2 PM, the UV Index can reach levels up to 11, indicating a very high risk of harm from unprotected sun exposure. By familiarizing yourself with the UV Index and its fluctuations throughout the day, you can better safeguard your skin and enjoy all the outdoor activities Iron Mountain Lake has to offer.
As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 7:00 AM. By 9:00 AM, it climbs to a moderate 4, indicating a gradual surge in sun intensity. The peak arrives at 12:00 PM, where it spikes to a striking 10, suggesting that protective measures are essential. The intensity remains high through 1:00 PM with a peak of 11, before gradually tapering off. By 4:00 PM, the index drops to 5, and as the day winds down, it declines to a more manageable 1 by 7:00 PM. This hourly UVI data underscores the importance of sun safety, particularly during the midday hours. Remember to protect your skin when the sun is at its strongest!
| 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 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels fluctuate significantly, with higher risks typically observed from March to August. The high-risk months are especially highlighted in April, May, June, July, and August, where the UV Index reaches extreme levels of 11 and the recommended burn times drop to just 10 minutes. Visitors and residents are strongly advised to take protective measures during these months, such as wearing sunscreen, protective clothing, and seeking shade, particularly during midday hours. As the year progresses towards the fall and winter months, UV exposure decreases, making January and December months of moderate risk, where burn times are longer at 30 minutes. Staying informed about daily UV levels can help ensure safety while enjoying 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 |
| Iron Mountain Lake | 3 | 6 | 7 | 9 | 11 | 11 | 11 | 10 | 9 | 7 | 5 | 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 |