Last updated: August 1, 2025
Understanding the UV Index in Newport, United States, is crucial for locals and visitors alike, as it provides key insights into daily sun exposure and its potential risks. Awareness of UV levels helps to prevent sunburn and protect skin health, ensuring you can enjoy the stunning coastal scenery without harm. Newport's Cfa climate means sunny days can bring significant UV exposure, particularly between 11:00 AM and 3:00 PM, when the index peaks at 11. Keep an eye on the UV Index to make informed choices about sun protection and enjoy your time outdoors safely!
The UV Index throughout the day showcases an intriguing pattern of intensity. Starting low at 07:00 and 08:00, with a manageable score of 1, the sun's rays gradually intensify. By 09:00, the index climbs to 3, hinting at a warmer day ahead. The peak arrives at noon, hitting a striking 9, and just a little later, the UVI reaches its zenith at 13:00 and 14:00, both at an impressive 11. As the afternoon progresses, the UV exposure starts to wane, dipping to 9 at 15:00 and further decreasing to 5 by 17:00. The evening cools down significantly, with the index returning to the comfortable levels of 3 at 18:00 and finally resting at 1 by 19:00. Stay protected and enjoy the sun, 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 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 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, the UV Index exhibits significant seasonal changes, with the highest levels occurring in May, June, and July, where it reaches an extreme index of 11. These months pose the greatest risk for sunburn, with a quick burn time of just 10 minutes. The high-risk months to be particularly cautious are March through August, as the UV Index remains very high to extreme during this period. Visitors and residents should take proactive measures, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sunlight hours, especially from 10 a.m. to 4 p.m. Conversely, in the winter months of December and January, the UV Index is lower at 3-4, indicating a moderate risk with a burn time of 30 minutes, allowing for slightly more leeway in sun exposure. Regardless of the season, it is essential to stay informed and protect yourself from harmful UV rays.
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 |
| Newport | 4 | 6 | 8 | 10 | 11 | 11 | 11 | 10 | 9 | 7 | 5 | 3 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |