Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Tyler, Texas, where the warm climate can lead to significant sun exposure. Awareness of UV levels helps safeguard your skin from painful sunburns and long-term health issues such as skin cancer. With peak UV readings reaching as high as 9 during midday—a time when many enjoy outdoor activities—it's essential to stay informed about daily UV fluctuations. Tyler's humid subtropical climate means that even on overcast days, UV rays can still pose a risk. Stay vigilant and protect your skin by checking the UV Index regularly!
The UV Index today shows a dynamic rise and fall throughout the hours, peaking in the midday sun. Starting from a gentle 1 at 07:00, it gradually climbs to reach 8 by 12:00, just before the sun reaches its zenith. The intensity spikes to its highest point of 9 at 13:00, remaining high until 14:00, when it begins to taper off. By 15:00, it drops to 7, continuing its downward trend to 4 by 17:00, and then easing back to the safer 1 by 19:00. Remember to protect yourself during the peak hours, especially between 11:00 and 14:00, when the sun’s rays are strongest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with high-risk months typically occurring from March to September. The UV Index peaks during the summer, particularly in June and July, where it reaches a maximum of 10, categorizing it as very high and resulting in a burn time of just 15 minutes. As spring transitions into summer, the index rises from a moderate rating of 3 in January to very high ratings by April, indicating that precautions should be taken to protect skin. During these high-risk months, it is advisable for visitors and residents to wear sunscreen, protective clothing, and seek shade during peak sun hours. As the year progresses into fall and winter, UV levels decrease, providing a relative respite from harmful exposure, with December offering a low index of 2 and a burn time of 45 minutes.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tyler | 3 | 5 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 5 | 3 | 2 |
| 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 |