Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Nueva Frontera, Mexico, where sunny days are the norm in this Aw climate zone. With peak UV levels reaching a formidable 14 around noon, awareness of these levels can significantly impact sunburn prevention and overall skin health. Recognizing UV exposure risks is essential, as prolonged sun exposure without protection can lead to serious skin damage. By staying informed about the UV Index, you can enjoy the vibrant outdoors while safeguarding your skin against harmful rays.
The UV Index rises dramatically as the day unfolds, starting from a calm 0 at 7:00 AM. By 8:00 AM, it gently increases to 1, signaling a mild sun presence. As the clock strikes 9:00 AM, it nudges to 2, but things heat up quickly from there. At 10:00 AM, the index jumps to 5, then surges to a formidable 9 by 11:00 AM. The peak arrives at 12:00 PM with a blistering 12, but it doesn't stop there! 1:00 PM and 2:00 PM witness the highest levels, both hitting 14, making it crucial to seek shade or lather on sunscreen. The afternoon sees a gradual decline, with the index easing to 12 at 3:00 PM, then 9 at 4:00 PM, and tapering off to 5 by 5:00 PM. As the sun starts to set, it cools down to 2 at 6:00 PM, and eventually settles at 1 by 7:00 PM, marking the end of a sun-drenched day. Stay mindful of those midday rays!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The seasonal UV changes reveal that the months from February to October are particularly concerning, as most months in this period have an extreme UV Index, peaking at 14 in March, May, June, July, and September. The high-risk months for sun exposure are therefore from February through October, where the recommended burn time is only 10 minutes. In contrast, January, November, and December are slightly less critical with very high UV Index levels of 10 and 9, allowing for burn times of 15 minutes. Visitors and residents should take precautionary measures during these months by seeking shade, wearing protective clothing, and applying sunscreen frequently to minimize the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Guadalajara UVI | 9 | 11 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 9 | 8 |
| Nueva Frontera | 10 | 11 | 14 | 13 | 14 | 14 | 14 | 13 | 14 | 12 | 9 | 8 |
| Iztapalapa UVI | 10 | 12 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 12 | 10 | 8 |
| Ecatepec de Morelos UVI | 10 | 12 | 14 | 15 | 15 | 14 | 14 | 13 | 14 | 12 | 10 | 8 |
| Mexico City UVI | 10 | 12 | 14 | 15 | 15 | 14 | 14 | 13 | 14 | 12 | 10 | 8 |
| Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |