Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Loma de Progreso, Mexico, where the sun's rays can be particularly intense due to its Cwb climate zone. With UV levels peaking at an eye-popping 16 around midday, being aware of these readings can help you effectively prevent sunburn and protect your skin health. As you plan your activities, keep in mind that even during the early hours, the UV Index can rise quickly, with levels hitting 10 by 11 AM. Stay informed and enjoy the beautiful outdoor weather of Loma de Progreso while safeguarding your skin!
As the sun rises on another bright day, the UV Index paints a striking picture of solar intensity. Early morning hours from 07:00 to 09:00 see a modest score of 1 to 3, ideal for a leisurely outdoor breakfast. But by 10:00, the index surges to 6, signaling the need for some sun protection. The real peak arrives at 12:00 with a scorching 14, reaching a staggering 16 by 13:00—a clear call for shade and sunscreen. As the afternoon wanes, the UV levels gradually dip: falling to 9 by 16:00, and then down to 2 by 18:00. Finally, as twilight approaches, the index settles back at 1, inviting a peaceful evening under the stars. Stay safe and enjoy the sun while keeping these UV levels in mind!
| 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 | 14 | extreme | 10 min |
| 13:00 | 16 | extreme | 10 min |
| 14:00 | 15 | extreme | 10 min |
| 15:00 | 13 | 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 |
| Loma de Progreso | 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 |