Last updated: June 2, 2025
Understanding the UV Index in San Francisco Zacapexpan, Mexico, is vital for safeguarding your skin and overall health. With varying UV levels throughout the day, especially peaking at noon with an index of 12, awareness helps prevent sunburn and long-term skin damage. San Francisco Zacapexpan experiences a temperate oceanic climate, which can lead to unexpected UV exposure risks, particularly during the sun's peak hours. Stay informed and protect yourself—knowing the UV Index can make all the difference!
Throughout the day, the UV Index reveals a dynamic rise and fall in sun exposure, starting gently at a maximum of 1 at 7:00 AM and 8:00 AM. As the sun climbs higher, the index spikes to 6 by 10:00 AM and escalates dramatically to its peak of 14 at 1:00 PM. Following this zenith, it gradually descends, settling at 11 by 3:00 PM, before tapering off to a mellow 1 by 7:00 PM. This pattern underscores the importance of sun protection during the midday hours when the UV Index reaches its highest levels, ensuring safety while enjoying the outdoors.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 3 | moderate | 30 min |
10:00 | 6 | high | 25 min |
11:00 | 9 | 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 | 5 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, UV index levels vary significantly, with the highest risk months occurring from February to October. During this period, the UV index reaches extreme levels, peaking at 14 in May, June, and July, where the burn time is as short as 10 minutes. Notably, March and April also present extreme conditions, making it crucial for visitors and residents to take precautions. The months of November and December show a slight reduction with a UV index of 9 and 8 respectively, falling into the very high exposure category, suggesting that UV protection remains important even in winter. To stay safe, everyone is advised to wear sunscreen, protective clothing, and sunglasses, and to limit sun exposure during peak hours, particularly in the spring and summer months.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
San Francisco Zacapexpan | 8 | 11 | 12 | 13 | 14 | 14 | 14 | 13 | 13 | 12 | 9 | 8 |
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 |