Last updated: May 2, 2026
Understanding the UV Index is crucial for residents and visitors of Santa Maria Zolotepec, Mexico, where the sun's rays can be particularly intense due to its Cwb climate. As UV levels can soar to a staggering 14 during midday hours, being aware of these indices is essential for preventing sunburn and protecting skin health. Ignoring UV risks can lead to severe consequences, making awareness your first line of defense. With warm temperatures and high elevation exposing you to increased UV radiation, staying informed about local UV conditions not only enhances health and safety but ensures a more enjoyable experience under the Mexican sun.
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 | 1 | low | 60+ minutes |
| 08:00 | 1 | low | 60+ minutes |
| 09:00 | 3 | moderate | 30–60 min |
| 10:00 | 6 | high | 15–30 min |
| 11:00 | 10 | very high | 10–15 min |
| 12:00 | 14 | extreme | <10 minutes |
| 13:00 | 16 | extreme | <10 minutes |
| 14:00 | 15 | extreme | <10 minutes |
| 15:00 | 13 | extreme | <10 minutes |
| 16:00 | 9 | very high | 10–15 min |
| 17:00 | 5 | moderate | 30–60 min |
| 18:00 | 2 | low | 60+ minutes |
| 19:00 | 1 | low | 60+ minutes |
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 |
| Santa Maria Zolotepec | 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 |