Last updated: July 2, 2025
In Rancho Alegre del Llano (El Llano), understanding the UV Index is crucial for protecting your skin and overall health. With sunlight peaking at high levels, particularly between 10 AM and 3 PM, awareness of UV levels can be the difference between a fun day outdoors and painful sunburn. This region's dry, warm climate exposes residents and visitors to increased risks, making it essential to monitor UV readings daily. By staying informed, you can effectively shield yourself from harmful sun exposure and enjoy all that beautiful El Llano has to offer safely!
As the sun rises and its rays strengthen, the UV Index begins to rise, starting at a modest 0 at 7:00 AM. By 8:00 AM, it climbs to 1, signaling a gentle exposure risk. The real intensity kicks in around 10:00 AM, where the index reaches 4, marking the start of more significant sun exposure. With the sun at its peak, the index surges to 10 by noon and peaks at an impressive 13 between 1:00 PM and 2:00 PM. Attention is crucial here, as this level indicates a very high risk of harm from unprotected sun exposure. As the afternoon rolls on, the UV Index gradually decreases, dropping to 9 by 4:00 PM and winding down to 1 by 7:00 PM, reminding us that while the sun's height brings its ultimate strength, it eventually gives way to the cooling shadows of evening.
| 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 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant seasonal fluctuations, peaking during the warmer months. From January through April, the index rises sharply from 9 to 13, indicating extreme exposure risks, and continues to peak at 14 in June. The high-risk months of February through October maintain an extreme exposure category, with a consistent burn time of just 10 minutes. As we move into November and December, the index decreases to 9 and 8, respectively, returning to a very high exposure category with a burn time of 15 minutes. Visitors and residents are strongly advised to take protective measures during high UV periods, particularly between February and October, such as wearing sunscreen, protective clothing, and limiting sun exposure during peak hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rancho Alegre del Llano (El Llano) | 9 | 11 | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 11 | 9 | 8 |
| 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 |