Last updated: June 2, 2025
Understanding the UV Index is crucial for the residents of Jonesburg, United States, where the Cfa climate often brings warm, sunny days. Awareness of UV levels helps in preventing sunburn and maintaining skin health, allowing you to enjoy outdoor activities safely. With peak UV Index values soaring to 11 around noon, it's essential to take precautions during the sunniest hours to reduce risks associated with overexposure, including skin damage and an increased risk of skin cancer. Stay informed and protect your skin while soaking in the vibrant Jonesburg sunshine!
The UV Index data highlights a dramatic rise in sun intensity as the day progresses. Starting early at 1 around 7:00 AM, it gradually climbs to 10 by noon, peaking at a staggering 11 at 1:00 PM. This is the moment when UV exposure becomes most concerning, emphasizing the importance of sun protection. As the afternoon unfolds, the index gracefully tapers down, dipping to 8 by 3:00 PM and further declining to 4 by 5:00 PM. By the time evening rolls in, the UV Index settles back to 1 at 7:00 PM, signaling a reprieve from the midday sun. This data can be a crucial guide for planning outdoor activities safely throughout the day.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | 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 radiation levels fluctuate significantly, with high-risk months occurring between April and August where the UV Index reaches very high to extreme levels. Specifically, April (UV Index 9) and May (UV Index 10) present increased risks, with a burn time of just 15 minutes in May. The peak intensity is seen in June and July, where the UV Index hits 11, categorizing it as extreme; here, just 10 minutes of unprotected exposure can result in burns. As summer transitions into fall, the UV Index gradually decreases, indicating a safer exposure period, but caution is still necessary in September (UV Index 9) and October (UV Index 7). For both residents and visitors, it is advisable to take appropriate sun safety measures during the high-risk months, such as wearing protective clothing, using sunscreen, and seeking shade during peak hours to prevent skin damage.
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 |
| Jonesburg | 3 | 5 | 6 | 9 | 10 | 11 | 11 | 10 | 9 | 7 | 5 | 3 |
| 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 |