Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in San Jose del Penasco, Mexico, a beautiful coastal town known for its sunny, warm climate. With UV levels peaking at an intense 15 during midday hours, awareness of these fluctuations can significantly impact your skin health and help prevent painful sunburns. As the sun shines brightly in this Cwb climate zone, knowing when to seek shade and protect yourself with sunscreen is essential for enjoying the outdoors safely. Embrace the sun responsibly and stay informed about UV risks to make the most of your time in this stunning destination!
The day's UV Index tells a dramatic story of rising sun exposure, beginning at a mild 1 at 7:00 AM and gradually climbing through the morning. By 10:00 AM, it surges to 6, signaling a notable increase in UV intensity. The peak occurs at 12:00 PM with a striking 14 and reaches its highest point of 15 from 1:00 PM to 2:00 PM, warning us to take extra precautions. As the sun begins to lower, the index gracefully descends, dropping to 9 at 4:00 PM, and tapering off to a gentle 1 by 7:00 PM, marking a gradual retreat from the day's intense sun. Always remember:protect your skin during peak hours!
| 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 | 10 | very high | 15 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 15 | extreme | 10 min |
| 14:00 | 15 | extreme | 10 min |
| 15:00 | 12 | extreme | 10 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index in the region demonstrates extreme levels from January through September, peaking at 15 in March, April, May, June, July, and September, with only slight decreases to 14 in August and 13 in October. Notably, the high-risk months for sun exposure are predominantly from January to September, where the burn time remains at a critical 10 minutes across these months. Visitors and residents are strongly advised to take precautions by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sunlight hours to minimize the risk of UV-related health issues. In November, the UV index decreases to 11 and falls to 10 in December, indicating a slight reprieve, but continued vigilance is recommended as the exposure level remains significant.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| San Jose del Penasco | 11 | 13 | 15 | 15 | 15 | 15 | 15 | 14 | 15 | 13 | 11 | 10 |