Last updated: August 1, 2025
Understanding the UV Index is essential for residents and visitors of San Antonio del Puente, Mexico, where the climate can lead to significant sun exposure. Being aware of UV levels helps prevent sunburn and promotes better skin health, especially during peak hours when the index soars to 14 around midday. With a tropical highland climate, San Antonio del Puente experiences varying UV exposure throughout the day, with significant risks from 10 AM to 2 PM. By staying informed about the UV Index, you can enjoy the beautiful outdoors while protecting your skin from potential harm.
As the sun rises, the UV Index gradually begins its ascent, starting from a mild 1 at 07:00 and 08:00. By 09:00, it climbs to 2, but it’s not until 10:00 that the real heat kicks in with a surge to 5. The peak arrives at 12:00, where the index skyrockets to a scorching 12, reaching its pinnacle of 14 at both 13:00 and 14:00. As the afternoon sun starts to wane, the index drops to 12 at 15:00, further declining to 9 at 16:00. As evening approaches, the UV intensity fades, settling at 5 by 17:00, then gently tapering off to 3 at 18:00 and back to a safe 1 by 19:00. Remember to protect your 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 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 14 | 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 |
Throughout the year, the UV Index experiences significant fluctuations, peaking during the warmer months. From January to February, the UV levels increase sharply, reaching an extreme rating of 12 in February, with a burn time of just 10 minutes. The high-risk months for sun exposure are March through October, where the UV Index consistently remains at 14 or 15, all categorized as extreme with a burn time of 10 minutes. Residents and visitors should exercise caution during these months by wearing protective clothing, applying sunscreen, and seeking shade to minimize the risk of sunburn. As the year progresses, UV levels decline in November and December, returning to a very high category of 10 and 9, respectively—still warranting careful sun protection measures, particularly during peak hours.
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 |
| San Antonio del Puente | 10 | 12 | 15 | 15 | 16 | 15 | 14 | 14 | 14 | 12 | 10 | 9 |
| Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |