Last updated: July 2, 2025
In Cerrillos de Díaz, Mexico, awareness of the UV Index is crucial for protecting yourself against harmful sun exposure. Understanding UV levels not only helps prevent painful sunburns but also plays a significant role in maintaining overall skin health. With a Cfa climate characterized by warm summers and plenty of sunshine, residents and visitors alike should be vigilant, especially during peak hours when the UV Index soars to a high of 14 around midday. By staying informed about UV levels, you can enjoy the beautiful, sun-kissed days of Cerrillos de Díaz while safeguarding your skin from potential damage.
As the sun rises, the UV Index begins at a mild 1 at 7:00 AM and remains low until 9:00 AM, when it escalates to 3. The real intensity kicks in around 10:00 AM, reaching 5, and the index climbs dramatically as the day progresses. By 12:00 PM, it peaks at a scorching 12, and an impressive 14 is recorded at both 1:00 PM and 2:00 PM. The sun starts to wane after that, with the index gradually dipping to 8 by 4:00 PM, before descending to a gentle 2 by 6:00 PM. The day concludes with a return to a low 1 at 7:00 PM, making it clear that midday sun poses the greatest danger – a reminder of the importance of sun protection during those peak hours.
| 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 | 12 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Seasonal changes in the UV Index reflect a significant increase in sun exposure from January through October, peaking at 14 during June and July. High-risk months for UV exposure are February through October, where the index consistently ranges from 11 to 14, classified as extreme. The potential for skin damage is urgent, with burn times as low as 10 minutes during these months. Residents and visitors are strongly advised to take precautions, such as wearing broad-spectrum sunscreen, protective clothing, and sunglasses, especially when spending time outdoors. In November and December, while UV exposure decreases to very high, it's still essential to remain cautious for those enjoying outdoor activities. Prioritizing sun safety year-round is essential for everyone.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cerrillos de Diaz | 8 | 11 | 12 | 13 | 13 | 14 | 14 | 13 | 13 | 11 | 9 | 8 |
| 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 |