Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Centerville, United States, especially given its Dfa climate, characterized by warm summers and chilly winters. With UV levels peaking at a significant 9 during midday, awareness of these levels is essential to prevent sunburn and protect skin health. High UV exposure not only increases the risk of immediate skin damage but also contributes to long-term issues, such as skin cancer. By staying informed about the UV Index, you can enjoy the sun safely while minimizing risks associated with UV radiation—ensuring you make the most of the beautiful days in Centerville!
As the sun rises, the UV Index begins at a low 1 at 07:00, providing a gentle start to the day. By 09:00, it picks up to 3, signaling the need for a bit more awareness. The real warmth comes at 10:00, with the index reaching 5, and it escalates quickly as noon approaches. By 12:00, we hit 8, and at 13:00, the UV index peaks at 9, marking the height of solar intensity. As the afternoon progresses, values remain high but start to dip slightly: 8 at 15:00 and then down to 6 by 16:00. As the sun begins to set, the index falls to 4 at 17:00 and finally drops back to 1 by evening, reminding us to bask in the sun wisely and protect our skin during 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 | 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 | 8 | very high | 15 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 levels exhibit significant seasonal changes, with the most intense exposure occurring during the summer months. January and December have the lowest UV Index values (2), indicating low risk for sunburn, while February and March present a moderate risk with an index of 5. High-risk months include April through September, where UV Index values peak at 11 in June, categorizing it as extreme exposure. During these peak months, residents and visitors are advised to practice sun safety by seeking shade, wearing protective clothing, and applying sunscreen frequently, especially between 10 AM and 4 PM when UV rays are strongest. As the UV levels decrease in October and November, precautions can be relaxed, but maintaining a moderate level of awareness remains essential.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Centerville | 2 | 5 | 5 | 8 | 9 | 11 | 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 |