Last updated: July 2, 2025
Understanding the UV Index in Cojumatlán de Regules, Mexico, is crucial for protecting your skin from harmful ultraviolet radiation. With temperatures soaring and UV levels peaking at 13 around midday, awareness of these figures is vital for sunburn prevention and maintaining overall skin health. Cojumatlán de Regules features a temperate climate, but that doesn't mitigate the risks associated with high UV exposure, especially during the sunniest hours. By staying informed about the UV Index, you can enjoy the beautiful outdoors while safeguarding your skin against potential damage.
The UV index throughout the day reveals a dynamic pattern, starting from a low 0 at 7:00 AM and gradually climbing as the sun rises. By 10:00 AM, it reaches 4, signaling the start of potential sun sensitivity. As noon approaches, the intensity peaks dramatically at 12:00 PM with a UV index of 10, which is considered very high, urging outdoor enthusiasts to take protective measures. The afternoon hours continue to show significant UV levels, with a maximum of 13 at 1:00 PM and 2:00 PM, before slowly tapering off in the later afternoon and evening, dropping back to 1 by 7:00 PM. This data emphasizes the importance of sun safety, especially during the midday hours when UV exposure poses the greatest risk.
| 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 | 1 | low | 45 min |
The UV Index displays significant seasonal variations, indicating that February through October holds the highest risk for UV exposure, with values reaching as high as 14 during the spring and summer months. March, April, May, June, August, and September are particularly concerning, each classified under the extreme exposure category, with a dangerously short burn time of just 10 minutes. In contrast, the winter months of January, November, and December drop to very high, but still warrant caution, with burn times of 15 minutes. Visitors and residents are advised to take protective measures during these high-risk months by using sunscreen, wearing protective clothing, and seeking shade whenever possible, especially during peak sun 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 |
| Cojumatlan de Regules | 9 | 11 | 14 | 14 | 14 | 14 | 13 | 14 | 14 | 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 |