Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Uvalde, Texas, where sunshine is abundant and the risk of overexposure to harmful ultraviolet rays is elevated. Being aware of UV levels helps in preventing sunburn, protecting skin health, and reducing long-term risks such as skin cancer. Uvalde's Cfa climate means warm summers and clear skies, contributing to higher UV exposure, especially during midday hours when the index can peak at a notable 12. Stay informed and take proactive steps to safeguard your skin while enjoying the sunny weather!
As the sun rises and moves higher in the sky, the UV Index sharply escalates. Starting at a gentle 1 at 07:00, it gradually climbs to 2 by 09:00. The real intensity kicks in by 10:00, soaring to 5, and reaching its peak at 12:00 with a striking 10. From there, it hits an all-time high of 12 at 13:00, warning sun lovers to be cautious. The index then begins its descent, dropping to 11 at 14:00 before lowering to 10 by 15:00. As the afternoon progresses, the UV levels taper off, concluding with a mellow 3 at 18:00 and returning to a minimal 1 by 19:00. It's a clear illustration of how the midday sun demands respect—embracing shade and sunscreen are essential during those 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 | 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 | 10 | very high | 15 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV levels exhibit significant seasonal changes. January sees a moderate UV Index of 5, while February and March jump to 8 and 9, respectively, indicating very high exposure risks with short burn times of just 15 minutes. The peak months for UV exposure are from April to August, where the Index reaches an extreme level of 11 to 12, necessitating caution with a burn time of only 10 minutes. As the year progresses, UV levels decrease, but October remains notably high at 9, followed by November with a high category of 7. For visitors and residents alike, it is crucial to take protective measures during the high-risk months of April through September and remain vigilant, using sunscreen, wearing protective clothing, and seeking shade to minimize the risk of 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 |
| Uvalde | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 12 | 11 | 9 | 7 | 5 |