Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Mallory, United States, where the Cfa climate often brings sunny days with significant UV exposure risks. With levels peaking at a striking 11 during midday hours, being aware of UV levels is essential for preventing sunburn and preserving long-term skin health. As the sun's rays can be particularly intense, knowing when to seek shade or apply sunscreen can make all the difference in enjoying the outdoors safely. Stay informed to protect yourself and your loved ones while soaking up the sunshine!
The UV Index throughout the day paints a vivid picture of sun intensity and its impact on outdoor activities. Starting early at 7:00 AM, the exposure remains low at a mere 1, ideal for morning strolls. As the sun climbs, 9:00 AM sees a slight increase to 3, hinting at the day's potential. By 10:00 AM, the index escalates to 5, and it reaches a peak at 12:00 PM with a blistering 10. The highest point occurs around 1:00 PM and 2:00 PM, where it hits 11, indicating the need for sun protection. Gradually, the index begins to decline, drifting down to 7 by 4:00 PM, and dropping to a safe 1 by 7:00 PM, closing the day with a protective embrace as twilight falls. This information serves as a crucial guide for planning sun-safe activities!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure levels vary significantly, with high-risk months typically occurring from March to August when the UV Index reaches its peak at 11, categorized as extreme. March and April also feature very high levels, making these months crucial for sun safety awareness. Visitors and residents should be particularly cautious during this period, applying sunscreen regularly, wearing protective clothing, and seeking shade during peak hours. In contrast, the months of January, November, and December present a moderate UV Index of 3 to 5, allowing for more relaxed precautions, though it's still important to remain mindful of sun exposure. Always check local UV forecasts and adjust your sun safety practices accordingly to protect your skin year-round.
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 |
| Mallory | 3 | 6 | 8 | 10 | 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 |