Last updated: July 2, 2025
In Doctor Coss, Mexico, staying aware of the UV Index is crucial for your skin health and overall well-being. Understanding UV levels helps you take proactive steps to prevent sunburn and long-term skin damage, especially in this BSh climate zone, where intense sun exposure is common. During the hottest hours of the day, particularly between 10:00 AM and 3:00 PM, the UV Index can soar to dangerous levels, peaking at 12. Being informed about these risks enables residents and visitors to enjoy the vibrant outdoor lifestyle of Doctor Coss while protecting their skin from harmful UV rays.
Throughout the day, the UV Index displays a dynamic rise and fall in intensity, starting with a gentle 1 at 07:00 and maintaining low levels of 1 at 08:00. As the sun climbs higher, the index sharply escalates, reaching 2 by 09:00 and surging to 5 at 10:00. The peak UV Index occurs during midday, hitting a striking 12 at both 13:00 and 14:00, signifying the need for effective sun protection. Following this zenith, the UV levels gracefully decline, tapering off to 10 by 15:00, then 8 at 16:00, and dwindling back down to 2 by 18:00. The day concludes under fading sunlight, with the UV Index returning to a safe 1 by 19:00. Always take care to guard against those midday rays when the sun is at its most powerful!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index exhibits significant seasonal variation, with the highest values between April and September, when it reaches an extreme level of 12. Specifically, the high-risk months for UV exposure are February through September, with March also showing a very high index of 10. During these months, especially from April to August, the recommended burn time is sharply reduced to just 10 minutes, indicating the urgent need for protection against sun exposure. Residents and visitors are advised to take extra precautions such as wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours to minimize the risk of skin damage. As the seasons change, UV levels gradually decrease in October, with notable relief in the winter months of November and December, where the burn time increases back to 25 minutes.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doctor Coss | 6 | 9 | 10 | 12 | 12 | 12 | 12 | 12 | 11 | 9 | 7 | 6 |
| 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 |