Last updated: July 2, 2025
Understanding the UV Index is vital for residents and visitors of El Divisador, Mexico, where the sun shines brightly in a Cwa climate characterized by hot summers and dry winters. Awareness of UV levels can play a crucial role in sunburn prevention and maintaining overall skin health, especially during peak hours when the UV Index soars to an intense high of 13 between noon and 2 PM. With such significant exposure risks, being informed about the UV Index helps you take necessary precautions to enjoy the beautiful sunshine while protecting yourself from harmful effects.
The UV Index throughout the day reveals a dynamic pattern of sun exposure. Starting at 07:00, the index is at a minimal 0, indicating that the sun's rays are weak. As the morning progresses, it climbs to 2 by 09:00 and reaches 4 by 10:00, suggesting that protective measures should start to be considered. The intensity peaks dramatically around noon, hitting a staggering 11 at 12:00, followed closely by a maximum of 13 from 13:00 to 14:00. During these hours, it’s crucial to seek shade and apply sunscreen. As the afternoon wanes, the index gradually dips to 9 at 16:00 and continues to fall, settling at 1 by 19:00, marking a safe return for evening activities. Overall, it's clear that midday hours demand the most caution under the sun!
| 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 | 4 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 13 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The seasonal UV changes indicate a significant increase in UV Index values from January to October, peaking at 14 during the months of March through June, categorized as extreme exposure with a burn time of only 10 minutes. Following this peak, UV levels gradually decrease but remain high in the late summer and early fall months, notably staying in the 13 range from July to September, before dropping to 12 in October. November and December see a return to very high levels, with indices of 9 and 8 respectively, allowing for slightly longer burn times of 15 minutes. As a result, it is crucial for both visitors and residents to take precautions during the high-risk months of February through October by wearing appropriate sun protection, seeking shade, and limiting sun exposure, especially during peak hours, 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 |
| El Divisador | 9 | 11 | 14 | 14 | 14 | 14 | 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 |