Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Jose Maria Patoni, Mexico, where the sunny, semi-arid climate (BSh) brings significant opportunities for outdoor enjoyment, but also heightened risks of sun exposure. Monitoring UV levels is essential for preventing sunburn and protecting overall skin health, especially since the UV Index can peak as high as 13 during midday hours. With the sun's intensity regularly increasing, awareness of these UV levels will empower you to make informed decisions about sun protection, ensuring you can safely bask in the vibrant outdoor lifestyle while minimizing health risks.
As the sun rises, the UV Index begins its ascent, starting at a cool 0 at 07:00. By 08:00, it nudges to 1, barely noticeable but a gentle reminder for early risers. The warmth gradually intensifies, reaching 2 at 09:00 and 4 by 10:00. The sun’s rays peak between 11:00 and 14:00, soaring to a blistering 10 at noon and hitting a high of 13 from 13:00 to 14:00. As the afternoon progresses, the index begins its descent, dropping to 12 at 15:00 and then to 9 at 16:00, inviting a welcome respite. By the evening hours, the UV levels fall to a safe 6 at 17:00, and continue to dwindle to 3 at 18:00 before settling at 2 by 19:00. It's a clear reflection of the sun’s journey, reminding us to protect our skin during those peak hours!
| 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 | 10 | very high | 15 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 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
The UV Index experiences significant seasonal changes, peaking from March to October when it reaches extreme levels (12-14), necessitating careful attention to sun exposure. February marks the transition into the very high exposure category, while January and December see a lower risk in the high exposure zone. The months of March through October, particularly April, May, June, July, August, September, and October, represent high-risk periods where a burn can occur in just 10 minutes. Residents and visitors should take precautions during these months, including wearing protective clothing, using sunscreen with a high SPF, and seeking shade during peak hours. In November, the UV Index drops to a very high level, with a burn time of 15 minutes, reminding us to remain vigilant as the seasons transition. Regularly monitoring UV levels is essential for maintaining skin health throughout the year.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jose Maria Patoni | 7 | 10 | 12 | 14 | 14 | 13 | 13 | 13 | 13 | 11 | 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 |