Last updated: May 3, 2025
Understanding the UV Index in San Patricio, Mexico, is crucial for maintaining your skin health and preventing sunburn. With its warm climate, San Patricio experiences higher UV exposure, particularly during midday when the index peaks at a staggering 13 around 2 PM. Being aware of these levels helps residents and visitors take necessary precautions, ensuring safe outdoor activities while minimizing the risk of skin damage. From seeking shade to applying sunscreen, understanding UV levels is essential for enjoying the sun responsibly in this beautiful coastal town.
As the day begins, the UV Index starts at a refreshing 0 at 7:00 AM, indicating a safe level of sun exposure. However, by 10:00 AM, it surges to 4, signaling a shift in UV intensity. The sun climbs higher, peaking at 12:00 PM with a maximum index of 10—a critical time for sun safety. From this zenith, the UV Index fluctuates, hitting 13 at 2:00 PM before gradually decreasing to 6 by 5:00 PM. As dusk approaches, levels drop further to 1 by 7:00 PM, concluding the day's UV journey. It's a reminder of the sun's power and the importance of protecting your skin when the UV Index is high. Stay vigilant and enjoy the sunshine wisely!
| 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 | 11 | 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 |
Seasonal variations in UV exposure highlight significant health risks throughout the year. The highest UV Index values occur from March to October, with April, May, and June reaching an extreme level of 13 to 14 and a dangerously short burn time of just 10 minutes. Visitors and residents should be particularly cautious during these months, especially from March to July, when prolonged exposure can lead to severe skin damage. High-risk months for UV exposure are thus March through October, requiring effective sun protection measures such as applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak hours. As the year progresses into November and December, UV levels decrease, but individuals should still remain mindful, especially during November's very high index of 9 and December's high index of 7, to ensure consistent skin safety.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| San Patricio | 9 | 10 | 13 | 13 | 13 | 14 | 12 | 12 | 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 |