Last updated: July 2, 2025
In Treasure Island, United States, staying aware of the UV Index is crucial for safeguarding your skin against harmful rays. Understanding UV levels is vital not only for preventing sunburn but also for maintaining long-term skin health, especially in a sunny climate like ours. With peak UV exposure reaching a high of 12 during the afternoon, it's essential for residents and visitors alike to stay informed about daily UV readings. Embracing this knowledge empowers you to enjoy our beautiful beaches while minimizing the risks associated with overexposure to sunlight.
As the sun rises on this beautiful day, the UV Index begins at a mild 1 at 7:00 AM, gradually creeping up to a moderate 3 by 9:00 AM. The heat peaks around noon, reaching a sizzling 10 at 12:00 PM, and quickly escalates to a maximum of 12 between 1:00 PM and 2:00 PM—the time to seek shade! However, as the afternoon wanes, the UV intensity tapers off, dropping to 10 at 3:00 PM, then declining to 5 by 5:00 PM. As dusk approaches, the index continues to decrease, ending the day at a comfortable 1 by 7:00 PM. Remember to protect your skin 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 | 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 | 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 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index demonstrates significant seasonal variation, reaching its peak during the summer months of June and July, with an extreme UV Index of 12 and a burn time of just 10 minutes. The high-risk months for UV exposure extend from February through September, where values consistently register high to extreme levels. Specifically, April and May see sustained extreme conditions with an index of 11, indicating that extended outdoor activities should come with caution. Residents and visitors are advised to take proactive measures by seeking shade, wearing protective clothing, and applying sunscreen regularly during these high-risk months, particularly from March through September when the potential for harmful UV exposure is greatest. As we move towards October and November, UV levels decrease, allowing for safer outdoor activities, although awareness should always remain a priority.
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 |
| Treasure Island | 6 | 8 | 10 | 11 | 11 | 12 | 12 | 11 | 11 | 9 | 7 | 5 |