Last updated: June 2, 2025
Understanding the UV Index is essential for residents of McNary, United States, where the climate's mild yet sunny disposition can lead to significant UV exposure risks. As UV levels can soar high, particularly between late morning and early afternoon, awareness is crucial for preventing sunburn and ensuring skin health. With peak indices reaching up to 13 during the hottest hours, it’s important for locals to monitor these levels diligently. By doing so, you can protect yourself and your loved ones from the damaging effects of the sun, making the most of McNary's beautiful outdoor offerings while prioritizing skin safety.
The UV Index (UVI) throughout the day showcases a dynamic pattern of solar intensity. The morning starts gently with a UVI of 2 at 07:00, gradually rising to a moderate 4 by 08:00. As the sun climbs higher, the index peaks at an impressive 13 at noon and remains elevated until 14:00, signifying a time to stay protected. A noticeable decline follows, with values dropping to 8 at 15:00 and further to 2 by 17:00. As evening approaches, the UVI gently lowers to a mere 1 by 18:00 and 19:00. This data emphasizes the importance of sun safety during midday hours when UV exposure is at its highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with the highest risk months occurring from March to September, when the UV Index reaches extreme levels of 11 to 13 and the burn time drops to as low as 10 minutes. Visitors and residents should be especially cautious during these months, taking proactive measures to protect themselves from harmful UV radiation. In February and October, the UV Index remains very high, with burn times of 15 minutes, indicating a need for sun safety awareness. Conversely, January, November, and December feature moderate to high UV levels, where the burn times are longer at 30 and 25 minutes, but precautions should still be considered. Overall, it is crucial to monitor UV levels regularly and adopt protective practices, such as wearing sunscreen, protective clothing, and seeking shade, especially during peak UV hours from 10 a.m. to 4 p.m..
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 |
| McNary | 5 | 8 | 11 | 12 | 13 | 13 | 13 | 12 | 11 | 8 | 6 | 5 |