Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Naco, United States, where sunny days can quickly lead to high levels of ultraviolet radiation. By being aware of UV levels throughout the day, you can effectively prevent sunburn and protect your skin health. Naco's BSk climate contributes to significant UV exposure, particularly during midday when the index peaks at a striking 13. This means that during the late morning and early afternoon, it’s essential to take extra precautions to shield yourself from potential harm. Stay informed, stay safe, and enjoy the sun responsibly!
The UV Index presents a vibrant dance of intensity throughout the day. Starting at a mild 2 by 7:00 AM, the index gradually climbs, hitting a moderate 3 by 8:00 AM. As the sun ascends higher, the UV intensity spikes dramatically, reaching its peak at 12:00 PM with a striking 13. This marks the most hazardous period, urging outdoor enthusiasts to take precautions. Following noon, the UV Index begins to taper off; it drops to 10 by 2:00 PM, then gracefully declines to a more manageable 2 by 5:00 PM. As the day winds down, the UV Index settles at a gentle 1 by 7:00 PM, making for safer evening activities. Whether basking in midday sunlight or enjoying a twilight stroll, awareness of these UV changes ensures safe outdoor enjoyment.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV levels fluctuate significantly, with the highest risks occurring from April to September. During these months, the UV Index consistently reaches extreme levels, peaking at 13 in May and June. In these high-risk months, burn time decreases dramatically to as little as 10 minutes, necessitating vigilant sun protection. February and March also present very high UV levels (8 and 10, respectively), with a burn time of just 15 minutes. In contrast, the lowest UV exposure can be found in January, November, and December, with moderate to high levels that provide burn times of up to 30 minutes. Residents and visitors should ensure they wear appropriate sunscreen, protective clothing, and seek shade during peak hours, especially from April to September, to safeguard against harmful UV radiation.
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 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |
| Naco | 5 | 8 | 10 | 12 | 13 | 13 | 13 | 12 | 11 | 9 | 6 | 5 |