Last updated: May 3, 2025
In San Carlos, Mexico, being aware of the UV Index is crucial for protecting your skin and overall health under the sun. With temperatures often soaring and a BSh climate, this picturesque coastal town experiences significant UV exposure throughout the day, peaking at a staggering UV Index of 12 around noon. Understanding these levels is vital for preventing sunburn and reducing the long-term risks of skin damage. Whether lounging on the beach or exploring the vibrant surroundings, staying informed about UV levels will help you enjoy all the beauty San Carlos has to offer while keeping your skin safe.
The hourly UV Index reveals an intense progression of sun exposure throughout the day, reaching its peak at 2 PM with a striking level of 12. Starting from a minimal 1 at 7 AM and 8 AM, the index gradually rises, hitting 4 by 10 AM and soaring to 7 at 11 AM. By noon, the UV Index spikes to 10, urging caution for sun-seekers. The afternoon brings the highest risk, with 11 at 1 PM and a blazing 12 at 2 PM, before it begins to decline. Fortunately, from 3 PM onwards, the UV levels decrease to 10, then to 8 at 4 PM, 5 at 5 PM, and tapering down to 1 by 7 PM, signaling a safe reprieve from the sun's intensity. Stay vigilant during the midday hours to protect your skin!
| 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 | 4 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal changes, with the highest risk months being March through September. During these months, the UV Index reaches extreme levels (11-12), leading to a quick burn time of just 10 minutes, necessitating heightened caution. The most critical time is April to August, where exposure is categorized as extreme, indicating a strong potential for skin damage with minimal sun exposure. Conversely, January, December, and November present lower risks with moderate to high exposure categories and longer burn times of 25 to 30 minutes. Visitors and residents are advised to wear sunscreen, seek shade, and wear protective clothing, especially during the high-risk months, to minimize the risk of sunburn and long-term skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| San Carlos | 5 | 8 | 10 | 11 | 12 | 12 | 12 | 12 | 11 | 9 | 6 | 5 |
| 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 |