Last updated: July 2, 2025
In Bandera, Texas, being aware of the UV Index is essential for protecting your skin and preventing sunburn. Understanding the UV levels helps residents and visitors make informed decisions about sun exposure, ensuring their skin health is prioritized, especially during the peak hours when the risk is highest. Bandera's Cfa climate means residents can expect significant sunny days, and during midday, the UV Index can soar to a staggering 12. By staying informed about UV levels, you can enjoy the outdoors while safeguarding yourself against harmful ultraviolet rays.
The UV Index throughout the day reveals a dramatic rise in sun exposure, peaking during the afternoon. Starting with a modest 1 at 07:00 and 08:00, the intensity gradually escalates, reaching 5 by 10:00. By 11:00, it jumps to a striking 7, and by noon, it explodes to a scorching 10. The hottest hours hit their zenith at 12:00 and 13:00, with a relentless 12, indicating high risk for unprotected skin. As the sun begins its descent, the index gradually declines, dropping to 10 by 15:00, then to 8 by 16:00. As the evening rolls in, the UV Index returns to a safer 5 at 17:00 and then gradually falls to 3 and 1 by 18:00 and 19:00, respectively. For outdoor enthusiasts, it’s essential to seek shade and apply sunscreen during those peak hours to enjoy the sun safely!
| 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 | 7 | high | 25 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 12 | 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 |
| Bandera | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 12 | 11 | 9 | 7 | 5 |