Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Wallis, United States, where sunny days can lead to significant ultraviolet exposure. The UV levels here can reach a maximum of 11 during peak hours, indicating a high risk of harm from unprotected sun exposure. Being aware of these levels is essential for preventing sunburn and promoting long-term skin health. With Wallis’s Cfa climate, characterized by warm summers and ample sunshine, it's important to take precautions to protect yourself and your loved ones from harmful UV rays. Stay informed and enjoy the outdoors safely!
The UV Index for the day showcases a striking pattern, starting moderate at 7:00 AM with a value of 1. As the sun climbs higher, the index steadily rises, hitting 3 by 9:00 AM, and then surging to a peak of 11 between 1:00 PM and 2:00 PM. This indicates a high risk of harm from unprotected sun exposure during midday. Following the peak, the UV Index gradually declines to 4 by 5:00 PM and further decreases to 1 by 7:00 PM, emphasizing the critical importance of sun protection during the intense midday hours. It’s advisable to seek shade and wear sunscreen if you're outside during the peak period!
| 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 | 11 | 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 |
Throughout the year, seasonal variations in UV exposure present important considerations for both visitors and residents. From January to March, UV levels gradually increase, with February and March categorized as very high, requiring 15 minutes for potential skin damage. The peak months occur from April to August, where the UV Index reaches extreme levels (up to 12), demanding heightened caution and limiting unprotected exposure to 10 minutes. In September and October, the index remains in the very high category, allowing for 15 minutes of exposure before burns may occur. Later in the year, November sees a decrease to a high level (UV Index 7) with a burn time of 25 minutes, while December returns to a moderate level (UV Index 5, burn time of 30 minutes). To protect against harmful UV radiation, it is crucial for everyone to apply sunscreen generously, wear protective clothing, and seek shade during the most intense sun hours, especially from April to 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 |
| Wallis | 5 | 8 | 9 | 11 | 11 | 12 | 11 | 12 | 10 | 9 | 7 | 5 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |