Last updated: July 2, 2025
In San Martin, Mexico, understanding the UV Index is crucial for protecting your skin and overall health, especially in a Cfa climate known for its warm temperatures and abundant sunshine. The UV Index varies throughout the day, peaking at an alarming 13 during midday hours, which signals a high risk of harm from unprotected sun exposure. By being aware of these levels, residents and visitors can take proactive measures to prevent sunburn and reduce the long-term risks of skin damage. Stay informed, and make the most of San Martin's beautiful weather while keeping your skin safe!
At 07:00 and 08:00, the UV Index remains low, peaking at 1, making it a safe time for outdoor activities. However, as the day progresses, the sun’s intensity ramps up sharply. By 10:00, the index reaches 5, climbing to a striking 11 by noon. The day hits its peak at 13:00 and 14:00, with a UV Index of 13, warranting caution and sun protection. As the afternoon unfolds, you’ll find a gradual decline: readings drop to 11 at 15:00, then 8 at 16:00, further easing to 2 by 18:00, and finally settling back to 1 by 19:00. Remember, to enjoy the sun safely, consider protective measures during the high UV hours!
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 | 8 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 13 | extreme | 10 min |
15:00 | 11 | extreme | 10 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 |
Throughout the year, the UV Index experiences significant seasonal fluctuations, with the highest levels occurring from February to October. The most high-risk months are generally from March to October, during which the UV Index remains in the extreme category at values of 12 to 13, indicating a burn time of just 10 minutes. Visitors and residents are advised to take extra precautions, such as applying sunscreen, wearing protective clothing, and seeking shade during these peak months to minimize the risk of skin damage. January and December offer slightly lower UV exposure, categorized as high, with burn times of 25 minutes and 15 minutes in November, making them somewhat safer for outdoor activities but still necessitating awareness.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
San Martin | 7 | 10 | 12 | 12 | 13 | 13 | 13 | 12 | 12 | 11 | 9 | 7 |
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 |