Last updated: June 2, 2025
In Blue River, United States, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. Given the area's Dfc climate, where cool summers can still pack a punch on sunny days, understanding UV levels is essential for all residents and visitors. With peak UV Index values soaring to 14 in the afternoon, it’s important to take proactive measures to protect your skin during those hours. Staying informed about UV exposure not only helps in avoiding painful sunburns but also plays a vital role in reducing long-term skin damage. Enjoy the beauty of Blue River while keeping your skin safe!
As the day unfolds, the UV Index peaks dramatically, reminding us to take heed of the sun’s intensity. Starting at a safer 1 at 7:00 AM, it rises steadily, hitting 3 by 8:00 AM and climbing to a moderate 5 by 9:00 AM. The sun begins to showcase its strength as it reaches 8 at 10:00 AM, before soaring to a critical 11 by 11:00 AM. The highest point of the day arrives at 13 and 14 between 12:00 PM and 1:00 PM, marking the most dangerous hours for sun exposure. As afternoon progresses, the intensity slightly wanes, dropping to 11 by 3:00 PM and then easing further to 8 at 4:00 PM. As the sun begins to lower, the UV Index falls to 5 by 5:00 PM, and concludes the day at a gentle 1 by 7:00 PM. Remember to protect your skin during those peak hours!
| 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 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 13 | extreme | 10 min |
| 15:00 | 11 | extreme | 10 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure levels fluctuate significantly, with high-risk months typically occurring from March through September. During these months, the UV Index peaks, reaching extreme levels of 12 to 14 in April, May, June, and July, where the recommended burn time is as little as 10 minutes. Conversely, the UV Index remains lower during the winter months, with January and December registering a moderate Index of 4, allowing for a safer burn time of 30 minutes. Visitors and residents are advised to exercise caution and protection, particularly between March and September, by wearing sunscreen, protective clothing, and sunglasses during peak sunlight hours to minimize the risk of sunburn and long-term 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 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |
| Blue River | 4 | 6 | 9 | 12 | 13 | 14 | 13 | 12 | 11 | 7 | 5 | 4 |