Last updated: June 2, 2025
In San Felipe, Mexico, awareness of the UV Index is crucial for protecting your skin and overall health. Understanding the varying UV levels throughout the day helps you take preventative measures against sunburn and long-term skin damage. With its arid BWh climate, San Felipe typically experiences high UV exposure, especially during the midday hours when the UV Index can soar to 13—representing severe risk. By staying informed about UV levels, you can enjoy the sun safely while minimizing harmful effects.
As the day unfolds, the UV Index rises steadily, beginning at a safe 0 at 07:00 and peaking dramatically. By 10:00, it escalates to 4, signaling the need for some sun protection. The intensity reaches 10 at 12:00, and then hits its maximum at 13:00 with a formidable 12. Right after, it slightly dips but remains high at 12 until 15:00. As the afternoon wanes, the UV Index begins to decline, dropping to 9 by 16:00, and continuing its descent to 1 by 19:00. This fluctuation highlights the importance of being sun-smart during peak hours, especially between 11:00 and 15:00, when the sun is at its strongest.
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 | 12 | 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 exhibits significant seasonal variability, peaking during the warmer months. Notably, March through October marks a period of extreme UV exposure, with the highest readings occurring in April at an index of 14. The most critical months for sun exposure are February through October, where UV levels range from very high to extreme, with minimal safe burn times of just 10 minutes during the peak months. Visitors and residents are advised to take strong protective measures, such as applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak hours. In contrast, the winter months of January, November, and December present lower UV risks, with indices at 7 or 8 and safer burn times of 15-25 minutes. However, UV radiation can still be significant, so caution is recommended year-round.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
San Felipe | 7 | 10 | 12 | 14 | 13 | 13 | 13 | 13 | 13 | 11 | 8 | 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 |