Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of San Martin de las Canas, Mexico, where the sun shines brightly in a Cwa climate. The UV Index indicates the strength of ultraviolet radiation, with higher levels posing significant risks for sunburn and long-term skin health. In this beautiful locale, peak UV levels can soar to 13, particularly around noon, making awareness essential for effective sunburn prevention. By keeping an eye on the UV Index, you can enjoy the outdoors while protecting your skin against harmful effects, ensuring that your time in San Martin de las Canas remains safe and enjoyable.
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 |
Throughout the year, the UV Index exhibits significant seasonal changes, with the highest readings occurring from February to October. The most critical months, where the UV Index reaches extreme levels (11 and above), are February through October, with April peaking at 15. During these months, the recommended burn time is only 10 minutes, underscoring the urgent need for protective measures such as sunscreen, hats, and clothing. Conversely, while January, November, and December do have high UV levels, they fall under the very high category, allowing for a slightly longer burn time of 15 minutes. To ensure safety and well-being, it is essential for both visitors and residents to remain vigilant and take appropriate precautions, especially during the high-risk months of spring and summer.
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 |
San Martin de las Canas | 9 | 11 | 14 | 15 | 14 | 13 | 13 | 13 | 13 | 12 | 10 | 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 |