Last updated: May 3, 2025
In Killeen, Texas, understanding the UV Index is crucial for safeguarding your skin and overall health. With the region's Cfa climate, residents can expect high UV levels, especially during the peak hours of 10 AM to 2 PM, where the index can soar to 12. This awareness is vital to prevent sunburn, reduce the risk of skin cancer, and maintain long-term skin health. By staying informed on daily UV levels, Killeen's community can enjoy the sunshine responsibly while minimizing exposure risks.
The UV Index on this particular day reveals a dynamic shift in sun exposure as the hours progress. Starting off at a mild 1 at 07:00, it remains low until 09:00, when it begins to rise gradually. By 10:00, the index reaches 5, signaling the start of heightened UV radiation. The day peaks sharply at 12:00 with a breathtaking 10, and just one hour later, it hits its maximum at 13:00 with an impressive 12. As the afternoon continues, the UV levels begin to decline, dropping to 11 at 14:00, and further decreasing to 9 by 15:00. The evening hours offer a welcome respite as the index falls to 4 at 17:00, then down to 2 by 18:00, and finally returning to a low 1 by 19:00. It's a vivid reminder to stay protected during those peak hours!
| 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 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 12 | 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 |
The UV Index displays significant seasonal changes, peaking during the summer months of May through September, where it reaches extreme levels of 11 to 12. The highest risk for UV exposure occurs from May to August, with burn times as short as 10 minutes during these months. In contrast, January and December show moderate UV levels with longer burn times of 30 minutes. Visitors and residents should take precautions, especially from late spring through summer, by seeking shade, wearing protective clothing, and using broad-spectrum sunscreen when outdoors, as the risk of sunburn and skin damage is exceptionally high during these periods.
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 |
| Killeen | 5 | 7 | 9 | 10 | 11 | 12 | 12 | 11 | 11 | 8 | 6 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |