Last updated: August 1, 2025
Understanding the UV Index in Compostela, Mexico, is crucial for safeguarding your skin health. With its Csa climate, this region experiences high UV levels, particularly during midday when the index peaks at a staggering 12. Being aware of UV levels helps you take proactive measures against sunburn and long-term skin damage. As you enjoy the sun-soaked days in Compostela, keep an eye on the UV Index, especially from late morning to early afternoon, to ensure you're protected and can fully enjoy the beautiful outdoors safely.
At dawn, 7:00 AM, the UV Index starts low at 1, signaling a gentle morning sun. As the day unfolds, it gradually climbs to 2 by 8:00 AM, and then to 3 at 9:00 AM, hinting at the sun's increasing strength. The peak intensity occurs between 12:00 PM and 1:00 PM, where it skyrockets to a blistering 11 and 12, urging sun seekers to seek shade and apply sunscreen. Following this zenith, the UV Index begins to taper off, dropping to 9 by 3:00 PM, before easing down to 3 at 5:00 PM, and finally returning to a minimal 1 by evening. This hourly breakdown emphasizes the importance of sun safety during the midday hours when UV radiation is most potent.
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 | 12 | extreme | 10 min |
14:00 | 11 | extreme | 10 min |
15:00 | 9 | very high | 15 min |
16:00 | 6 | high | 25 min |
17:00 | 3 | moderate | 30 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
The UV Index exhibits significant seasonal variations, peaking between March and October, where the exposure category is predominantly extreme. Notably, the months of April and May maintain an index of 13, indicating critical sun exposure risks with a burn time of just 10 minutes. March also presents a high risk with a UV index of 12. Residents and visitors should be particularly vigilant during these months, as skin damage can occur quickly. In contrast, November and December show a reduction in risk, with indices declining to 9 and 7, respectively. Advising individuals to apply sunscreen, wear protective clothing, and seek shade during peak sun hours is essential, especially in high-risk months.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Compostela | 8 | 10 | 12 | 13 | 13 | 13 | 12 | 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 |