Last updated: July 2, 2025
In Puerto San Carlos, Mexico, understanding the UV Index is crucial for safeguarding your skin against harmful sun exposure. With a climate categorized as BWh, the region experiences significant UV radiation, especially around midday when levels peak at 12—a reminder that even short periods in the sun can lead to sunburn and long-term skin damage. By keeping an eye on UV levels, residents and visitors can take proactive measures to protect their skin health, ensuring outdoor activities are both enjoyable and safe. Awareness of daily UV fluctuations empowers you to plan the perfect, sun-smart day in this beautiful coastal town.
The UV Index throughout the day reveals a striking pattern of sun intensity. Starting the morning at a low level of 1 at 07:00 and 08:00, the sun gains strength as the day advances. By 10:00, it reaches a moderate 5, and the real heat kicks in at 12:00, peaking at an impressive 10. The intensity escalates further, hitting a maximum of 12 from 13:00 to 14:00, indicating a significant risk of harm from unprotected sun exposure. As the afternoon wanes, the index gradually decreases to 7 by 16:00, before tapering off to 4 at 17:00, and finally returning to a mild 1 by 19:00. This data serves as a reminder to stay sun-safe during those peak hours when the UV Index soars!
| 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 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index displays significant seasonal changes, indicating months of high risk for sun exposure. From February through September, the UV Index reaches extreme levels, peaking at 13 in June. March through August are particularly critical, with extreme ratings and a minimal burn time of just 10 minutes, making it essential for residents and visitors to prioritize sun protection during this period. The transition to October and November sees a slight decrease in risk, yet very high readings remain, necessitating continued vigilance. To safeguard against harmful UV exposure, individuals should take proactive measures, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, particularly during peak sunlight hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Puerto San Carlos | 7 | 9 | 11 | 12 | 12 | 13 | 12 | 12 | 12 | 10 | 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 |