Last updated: July 2, 2025
Understanding the UV Index in Mier y Noriega, Mexico is crucial for protecting your skin and overall health. With the region's Cfa climate, characterized by warm summers and mild winters, residents and visitors are frequently exposed to varying levels of ultraviolet radiation. Awareness of UV levels helps prevent sunburn and long-term skin damage, especially during peak hours when the UV Index reaches a high of 14 around noon. By keeping an eye on the UV Index, you can enjoy the sunny days in Mier y Noriega while safeguarding your skin against harmful effects.
The UV Index for today paints a clear picture of the sun's intensity throughout the day. Starting off gently, the morning hours from 7:00 AM to 9:00 AM see values at a mild 1 to 2. However, as the clock strikes 10:00 AM, the index skyrockets to 5, signaling a notable rise in UV radiation. By 11:00 AM, the intensity hits 8, peaking dramatically at 12:00 PM with a blistering 12. The afternoon peak occurs between 1:00 PM and 2:00 PM, where it reaches its maximum of 14, urging caution for outdoor enthusiasts. As the sun begins its descent, the index gradually declines to 9 at 4:00 PM and further down to 6 at 5:00 PM. In the evening, the UV exposure wanes, dropping back to a soothing 3 by 6:00 PM and returning to 1 by 7:00 PM. Be sure to protect your skin during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 8 | 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 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The seasonal UV changes indicate that the period between March and October presents the highest risks for sun exposure, with UV Index values consistently peaking at 14 during the summer months of May to August. Notably, March sees a significant jump to an extreme rating of 13, marking the start of high-risk months alongside April and September. Visitors and residents are strongly advised to take precautions during these high-risk months, especially from March to October, where the burn time can drop to just 10 minutes. Daily UV awareness is crucial; wearing sunscreen, protective clothing, and seeking shade during peak hours can significantly mitigate the risk of sunburn and long-term skin damage. November and December provide a slight respite with lower UV levels, yet caution is still encouraged in November where the UV Index remains very high.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mier y Noriega | 8 | 10 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 12 | 9 | 7 |
| Guadalajara UVI | 9 | 11 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 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 |