Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Coatecas Altas, Mexico, a picturesque town characterized by its temperate climate. With UV levels soaring to a peak of 15 during midday, being aware of these values is essential for preventing sunburn and safeguarding skin health. As you enjoy the sunny days in this vibrant locale, recognizing the fluctuating UV exposure risks can help you make informed decisions about sun protection, ensuring your outdoor activities remain safe and enjoyable. Remember, even on cooler days, the sun's rays can pose a significant threat, especially at the higher elevations typical of the region. Stay informed and keep your skin safe!
The UV Index paints a vivid picture of sun intensity throughout the day. Early risers will enjoy low levels of UV exposure at 1 from 7:00 to 8:00 AM, making it a great time for morning walks. As the sun climbs higher, the index escalates, peaking at a whopping 15 at 1:00 PM—the moment when sun safety becomes crucial. Just before and after this peak, values hover around 14 to 12, reminding us that midday is not the time to skimp on sunscreen. As the day winds down, the UV Index dips significantly, returning to 1 by 7:00 PM. For the most enjoyable and safe outdoor activities, aim for early or late hours while being mindful around midday!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 15 | 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 UV Index displays a consistent pattern of extreme levels from January to July, with values peaking at 15 in March through June. This indicates a significant risk for skin damage, with a minimal exposure burn time of just 10 minutes throughout these months. The intensity slightly decreases in August and September to 14, followed by a drop to 13 in October and 11 in November. December shows a further decline to a very high level of 9, allowing for a lengthened burn time of 15 minutes. Visitors and residents are strongly advised to take precautionary measures, particularly during the high-risk months from January to October, by applying broad-spectrum sunscreen, wearing protective clothing, and limiting sun exposure during peak hours to maintain skin health and safety.
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 |
| 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 |
| Coatecas Altas | 11 | 13 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 11 | 9 |