Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Calvert City, United States, where the humid subtropical climate can lead to elevated sun exposure, especially during peak hours. Being aware of UV levels not only helps in preventing painful sunburns, but also plays a vital role in long-term skin health. With the UV Index peaking at 11 around noon, it's essential to take protective measures against harmful ultraviolet rays that can lead to skin damage. Stay informed and safeguard your skin while enjoying the sunny outdoors in beautiful Calvert City!
The UV Index for the day showcases a dynamic rise and fall, peaking at a remarkable 11 around 1 PM. Early risers will note a gentle start with values of 1 at 7 AM, slowly increasing to 2 by 8 AM. As the sun continues its ascent, the index escalates rapidly, reaching 4 by 9 AM and 7 by 10 AM. The intensity peaks at 12 PM, hitting a stunning 10, and shortly after, the day's highest value of 11 at 1 PM. As the afternoon wanes, the UV levels begin to decline, dropping to 8 at 3 PM, and further decreasing to 3 by 5 PM, before settling back to a safe 1 by 6 PM and 7 PM. Pay attention to this pattern, as it highlights the hours when sun safety is crucial!
| 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 | 7 | 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 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant seasonal variation, peaking in the spring and summer months. From April to September, the UV Index reaches very high levels, particularly in May and June, when it hits an extreme rating of 11. The high-risk months for UV exposure are April through September, with the lowest burn time of just 10 minutes occurring in May and June. As such, it's crucial for visitors and residents to take precautions during these months by wearing protective clothing, applying sunscreen regularly, and seeking shade, especially between 10 AM and 4 PM. In the fall and winter, the UV Index decreases to moderate levels, with safer exposure times returning. However, awareness is still essential year-round 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 |
| Calvert City | 3 | 6 | 7 | 10 | 11 | 11 | 10 | 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 |