Last updated: July 2, 2025
In the sun-drenched town of San Juanito, Mexico, becoming aware of the UV Index is essential for protecting your skin from harmful effects of sun exposure. Understanding UV levels is crucial not just for preventing painful sunburns, but also for maintaining long-term skin health. San Juanito's Csb climate brings a mix of temperate conditions and intense sunlight, especially during midday hours when UV levels peak at a staggering 14. By staying informed about the UV Index, you can enjoy the beautiful outdoors while minimizing the risks associated with high UV exposure.
As the sun rises and climbs higher in the sky, the UV Index reflects the increasing intensity of ultraviolet radiation throughout the day. Starting from a gentle 1 at 07:00, it quickly escalates to a moderate 4 by 09:00, gaining momentum as it reaches an exceptional peak of 12 by noon. The most critical hour occurs at 13:00, with a maximum UV Index of 14, indicating the need for protective measures to avoid potential sunburn. After this zenith, the index gradually declines, landing at 8 by 16:00, before tapering down to 2 in the evening hours. As the day winds down, it’s a reminder of the sun’s power, especially during midday when vigilance is essential for skin safety.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 4 | moderate | 30 min |
10:00 | 7 | high | 25 min |
11:00 | 10 | very high | 15 min |
12:00 | 12 | extreme | 10 min |
13:00 | 14 | extreme | 10 min |
14:00 | 13 | extreme | 10 min |
15:00 | 11 | extreme | 10 min |
16:00 | 8 | very high | 15 min |
17:00 | 4 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
As the seasons change, so do the UV levels, peaking during the summer months. From April to September, the UV Index remains consistently at 14, categorized as extreme, which means that visitors and residents should take extra precautions as the burn time is only 10 minutes. February and March also pose high risks with UV indices of 10 and 11, respectively. To protect your skin during these high-risk months, it is advisable to limit sun exposure, wear protective clothing, and apply sunscreen regularly, even on cloudy days. As we move toward the late fall and winter, the UV levels decrease, dropping to 6 in December, yet caution should still be taken in January and November when the indices are 7 and 8, respectively. Being proactive about sun safety is crucial year-round.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
San Juanito | 7 | 10 | 11 | 14 | 14 | 14 | 14 | 13 | 13 | 11 | 8 | 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 |