Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Reforma y Planada, Mexico, where the sun's intensity can pose serious risks to skin health. With UV levels soaring to a maximum of 14 during peak hours, awareness is key to preventing sunburn and long-term skin damage. Given the region's Af climate, characterized by hot and dry conditions, knowing when to seek shade becomes essential to protect yourself from harmful ultraviolet rays. Stay informed and prioritize your skin's safety to enjoy the beautiful sunny days in Reforma y Planada!
The UV Index data reveals a dynamic shift in sun intensity throughout the day. Early morning hours from 07:00 to 09:00 see a mild index, peaking at 3 by 09:00. However, the sun's strength escalates sharply as we approach midday, with the index skyrocketing to 12 at 12:00 and reaching its zenith at 14:00 with a striking 14. As the afternoon progresses, a gradual decline begins, dropping to 10 by 15:00, and tapering down as evening approaches. By 19:00, the UV Index returns to a gentle 1, reminiscent of the early morning's cool embrace. It's a clear reminder to stay protected during peak hours, especially between 11:00 and 14:00, when the sun poses its strongest rays.
| 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 | 6 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 13 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV levels display significant seasonal changes, with the highest exposures occurring during the spring and summer months. From February to October, the UV Index consistently reaches extreme levels of 11 to 14, indicating a burn time of just 10 minutes for unprotected skin. March to August are particularly high-risk months, where the potential for skin damage is greatest. Conversely, the UV Index dips in January, November, and December to 9 and below, categorizing exposure as very high but with longer burn times of up to 15 minutes. Visitors and residents should take precautionary measures during peak months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during midday hours to minimize the risk of sunburn and long-term skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reforma y Planada | 9 | 11 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 12 | 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 |