Last updated: July 2, 2025
In Santa Cruz, Mexico, staying informed about the UV Index is essential for protecting your skin and overall health. With intense sun exposure typical of this hot semi-arid climate, understanding UV levels helps you prevent sunburn and reduce the long-term risks of skin damage. During peak hours, particularly from 11 AM to 2 PM, the UV Index can reach dangerous levels, peaking at 14 for maximum exposure. By being aware of these fluctuations, you can take proactive measures to safeguard yourself while enjoying the beautiful outdoors of Santa Cruz.
As the sun rises, the UV Index starts off gently, peaking at 1 by 08:00. However, as the day progresses, the intensity ramps up significantly. By 10:00, the index reaches 5, but the real heat kicks in at 12:00, soaring to an intense 11. The peak occurs at 14:00, where it hits a blistering 14—a clear signal to seek shade and protect your skin. After this, the index begins to drop, settling at 12 by 15:00 and gradually descending to 3 by 18:00. As twilight approaches, the UV levels ease back to 1 by 19:00, marking a dramatic contrast to the midday sun's peak. Stay vigilant and wear sun protection during these critical 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 | 14 | 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 shows significant seasonal changes, with the highest levels occurring from March to October, indicating a period of extreme exposure risk. Notably, the months of April, May, July, and August exhibit a maximum UV Index of 14, where individuals may burn within just 10 minutes of sun exposure. In contrast, the winter months show a decline, with January and February classified as very high (UV Index of 8 and 10, burn time of 15 minutes), and December indicating a high risk (UV Index of 7, burn time of 25 minutes). To protect themselves, visitors and residents should take precautions such as seeking shade, applying sunscreen, and wearing protective clothing during the high-risk months of March through October, especially during midday when the sun's rays are most intense.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Santa Cruz | 8 | 10 | 13 | 14 | 14 | 13 | 14 | 14 | 13 | 12 | 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 |