Last updated: June 2, 2025
Being aware of the UV Index is crucial for residents of Trinidad, United States, where the high-altitude climate can amplify sun exposure. Understanding the daily UV levels is essential not just for preventing painful sunburns, but also for safeguarding long-term skin health and reducing the risk of skin cancers. With peak UV Index levels soaring to 13 around midday, Trinidad’s residents need to stay informed about their exposure, especially during the summer months. By keeping an eye on the UV Index, you can enjoy the beautiful outdoors while protecting your skin from the harmful effects of ultraviolet radiation.
The UV Index throughout the day peaks dramatically as the sun rises higher in the sky. Starting at a low of 1 at 07:00, it gradually climbs to a moderate level of 2 by 08:00. As the clock ticks toward mid-morning, the intensity ramps up, reaching 5 by 09:00, and surges to a high of 10 at 11:00. The afternoon sees the UV Index skyrocket to its maximum of 13 at 13:00, offering the most significant risk for sun exposure. However, as the day progresses, the index drops, signaling a safer environment for outdoor activities, settling back to 4 by 17:00 and tapering off to a low of 1 by 19:00. It’s wise to plan your sun exposure around these crucial hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | 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 |
Throughout the year, UV levels exhibit noticeable seasonal changes, with the highest UV Index values observed from March to August. During this period, especially in April, May, and June, the UV Index peaks at 13, categorized as extreme, resulting in an accelerated burn time of just 10 minutes for unprotected skin. February also poses a risk with a high Index of 6 (25 minutes burn time), while September and October drop to very high readings (10-15 minutes burn time). January, November, and December represent the lower end of the spectrum with moderate UV levels (30 minutes burn time). To ensure safety and reduce skin damage, it is advised that visitors and residents take precautions by wearing protective clothing and applying sunscreen, particularly during the high-risk months of March through August.
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 |
| Trinidad | 4 | 6 | 9 | 11 | 11 | 13 | 13 | 11 | 10 | 8 | 5 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |