Last updated: July 2, 2025
In Zavalla, United States, understanding the UV Index is crucial for safeguarding your skin and overall health. As residents experience the warm and humid conditions typical of a Cfa climate, the UV levels can soar, especially around midday when they peak at an alarming 11 to 12. Awareness of these levels helps prevent sunburn and long-term skin damage, making it vital for everyone—from outdoor enthusiasts to casual sunbathers—to stay informed. With the sun’s intensity fluctuating throughout the day, knowing when to seek shade or apply sunscreen can significantly reduce your risk of harmful UV exposure. Stay sun-safe and enjoy the beautiful Texas weather!
As the day unfolds, the UV Index reveals a dynamic landscape of sun exposure. Starting with a gentle 1 at 07:00 and 08:00, the intensity begins to rise steadily, peaking at 12 between 13:00 and 14:00—prime time for taking precautions against harmful rays. At 11:00, the index hits 8, indicating a strong need for sun protection. The afternoon sees a slight decline, but still significant levels of 9 at 15:00, before tapering off to 4 by 17:00. As the sun dips lower, the UV Index reduces to a mellow 2 at 18:00, finally settling back at 1 as evening approaches. It's a clear reminder to manage your sun exposure wisely, especially 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 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 11 | extreme | 10 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 shows a clear seasonal trend, with highest levels of ultraviolet radiation occurring from March to August, reaching a peak of 12 in June and July. February through April are also of concern, with very high levels requiring careful protection. The high-risk months are undoubtedly May through August, where the UV Index falls between 11 and 12, indicating an extreme exposure category and a significantly reduced burn time of just 10 minutes. Residents and visitors are strongly advised to take precautions during these months, such as wearing protective clothing, applying sunscreen with a high SPF, and avoiding direct sunlight during peak hours. From November to March, UV radiation is comparatively lower, but caution is still advised, particularly in February and March when the UV Index rises again. Staying informed and protected is essential to ensure skin safety 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 |
| Los Angeles UVI | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
| Zavalla | 5 | 8 | 9 | 10 | 11 | 12 | 12 | 11 | 10 | 8 | 6 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |