Last updated: July 2, 2025
In McKinney Acres, United States, awareness of the UV Index is vital for protecting your skin and overall health. The UV Index provides crucial information on sun exposure risks throughout the day, helping residents make informed decisions to prevent sunburn and long-term skin damage. With a BSk climate characterized by hot summers and clear skies, the UV levels can soar, peaking at 12 during midday hours—a serious concern for anyone spending time outdoors. Understanding these levels not only aids in effective sun safety practices but also promotes healthier skin for a lifetime. Stay informed and protect yourself under the sun!
As the day unfolds, the UV Index rises steadily, starting with a mild 1 at 07:00 and 08:00. By 09:00, it climbs to a 2, but things heat up quickly as we approach midday. The index surges to 4 at 10:00, leading to a peak of 11 at 13:00 and hitting an intense 12 at 14:00—the highest recorded in the day. Safeguarding against sun exposure is crucial during these hours, particularly from 11:00 to 15:00, when UV levels are most hazardous. As the afternoon fades, the number gradually drops, cooling to 8 at 16:00, and finally settling at a comfortable 2 by 19:00. Remember to take precautionary measures during the peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 11 | extreme | 10 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
The UV Index experiences significant seasonal changes, with high-risk months typically spanning from March to September. As the year progresses, the index escalates from a moderate 5 in January to a peak of 12 during the summer months of May through August, indicating extreme exposure levels with a burn time of only 10 minutes. Visitors and residents are strongly advised to take protective measures during these high-risk periods, including wearing sunscreen, protective clothing, and seeking shade to minimize the risk of skin damage. As summer fades, the index gradually decreases, with an increase to 15 minutes burn time in October, reinforcing the need for continued sun safety awareness throughout the fall.
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 |
| McKinney Acres | 5 | 7 | 9 | 11 | 12 | 12 | 12 | 12 | 11 | 8 | 6 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |