Last updated: July 2, 2025
In Las Golondrinas (Fraccionamiento), understanding the UV Index is crucial for safeguarding your skin and overall health. With the region's climate classified as Cwb, residents face unique risks, particularly during peak hours when UV levels soar dramatically, reaching a high of 14 between 1:00 PM and 2:00 PM. Being aware of these UV levels not only helps you prevent painful sunburns but also reduces long-term skin damage, including the risk of skin cancer. By staying informed about the daily UV Index, you can enjoy the beautiful Mexican sun safely and responsibly.
During the day, the UV Index experiences a dramatic rise, starting at 0 at 7:00 AM and reaching its peak of 14 by 2:00 PM. The ascent is gradual, with values climbing from 1 at 8:00 AM and hitting 4 by 10:00 AM. As the sun reaches its zenith, the intensity of UV rays intensifies, soaring to 11 at 12:00 PM and peaking at 13 by 1:00 PM. However, after 2:00 PM, a notable decline begins, with the index dropping steadily to 6 at 5:00 PM, and further dwindling to 1 by 7:00 PM. It's a classic example of nature’s cycle, showcasing the importance of sun protection during peak hours!
| 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 | 8 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 12 | 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, UV exposure levels show significant variation, with the highest risk months occurring from February to October, where the UV Index consistently remains in the extreme (11-15) category, posing a serious risk for skin damage. Notably, March and April present the peak UV index at 13 and 15, respectively, with a recommended burn time of just 10 minutes under direct sunlight. As the seasons transition into November and December, the UV Index decreases to 10 and 8, categorized as very high, which allows for slightly longer exposure times of 15 minutes. Visitors and residents are advised to take extra precautions during these high-risk months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade to minimize direct exposure, especially during midday hours.
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 |
| Las Golondrinas (Fraccionamiento) | 9 | 11 | 13 | 15 | 14 | 14 | 14 | 14 | 13 | 12 | 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 |