Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of San Juan de Llanos, Mexico, where the arid BSk climate amplifies sun exposure risks. With peak UV levels soaring to 15 during midday hours, awareness of these readings is essential for sunburn prevention and maintaining long-term skin health. The higher UV index signifies a greater risk of harm from unprotected sun exposure, underlining the need for protective measures during peak sunlight hours. Stay informed and protect your skin to enjoy the vibrant beauty of San Juan de Llanos safely!
The UV Index for today paints an interesting picture of sunlight intensity throughout the day. Starting at 7:00 AM, the index sits at a very low 0, perfect for a leisurely morning stroll. However, as the clock strikes 10:00 AM, the index surges to 5, signaling a shift. By noon, the UV reaches 13, pushing into the very high territory, and it peaks at 3:00 PM with an impressive 15. This period calls for caution; sunscreen and shade become essential! Gradually, the intensity dips, falling to 6 by 5:00 PM and trailing off to a comfortable 1 by 7:00 PM. It's a day that reminds us to embrace the sun 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 | 5 | moderate | 30 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 15 | extreme | 10 min |
| 14:00 | 15 | extreme | 10 min |
| 15:00 | 13 | extreme | 10 min |
| 16:00 | 10 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, with high-risk months spanning from February to October. During this period, the UV Index reaches extreme levels, peaking at 15 in April and May. Notably, March to October maintains an extreme exposure category where the burn time is as short as 10 minutes. The highest risk for sunburn occurs in early months like February (UV Index 11) and peaks from March to May, where visitors and residents should exercise extreme caution. In contrast, November and December present lower UV Index values categorized as very high (9-10), allowing for slightly longer safe exposure times (15 minutes). To minimize skin damage and health risks, it is advised for individuals to seek shade, wear protective clothing, and apply sunscreen, especially during the peak UV hours from late morning to early afternoon.
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 |
| San Juan de Llanos | 9 | 11 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 10 | 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 |