Last updated: May 3, 2025
In La Estrella, Mexico, understanding the UV Index is crucial for maintaining your skin health and preventing sunburn. With a climate that thrives in the Am zone, residents and visitors alike face varying UV exposure risks, especially during peak hours. From a moderate level at 9 AM to a striking UV Index of 14 by 1 PM, being aware of these levels empowers you to take necessary precautions and enjoy the sun safely. Stay informed and protect yourself against the harmful effects of ultraviolet rays as you soak up the vibrant atmosphere of La Estrella!
The UV Index on this day showcases a dramatic rise as the sun climbs higher in the sky. Starting from a mild 1 at 07:00 and 08:00, the intensity escalates quickly, reaching 4 by 09:00. By 10:00, the index surges to 7, culminating in a peak of 14 at 13:00—the clearest indication that midday sun is at its most intense. As the afternoon progresses, the levels begin to taper off; the index drops to 10 by 15:00 and declines further to 3 by 17:00. As twilight approaches, the UV index settles back down, resting at 1 by 18:00 and 19:00. It’s a vivid reminder to stay protected during those peak hours when UV rays are most potent!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 13 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant seasonal fluctuations, peaking predominantly during the summer months. From January to March, the UV Index escalates from 9 (very high) to a peak of 13 (extreme) in April, consistent through July before gradually tapering off in the fall. High-risk months are marked from February to October, with particularly extreme values observed from March to September. During these months, the recommended burn time is as short as 10 minutes. Visitors and residents are strongly advised to take precautions, such as using sunscreen, wearing protective clothing, and seeking shade during peak hours, especially in April through September when UV levels are highest. As a general rule, remain vigilant about UV exposure year-round, as even in November and December, the UV Index remains high at 9 and 8, necessitating protective measures.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| La Estrella | 9 | 11 | 13 | 13 | 13 | 14 | 13 | 13 | 12 | 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 |