Last updated: May 3, 2025
In Rio Medio (Granja), Mexico, staying informed about the UV Index is crucial for protecting your skin from the sun's harmful rays. Understanding UV levels not only helps prevent painful sunburns but also plays a vital role in maintaining long-term skin health. With a climate characterized by warm temperatures and an elevated risk of UV exposure, especially during midday hours when the index peaks at 12 and 13, residents and visitors must be vigilant. By being aware of the daily UV Index, you can enjoy the beautiful beaches and outdoor activities in Rio Medio while safeguarding your skin from potential damage.
As the sun rises on this bright day, the UV Index starts off relatively low, peaking at just 1 at both 7:00 AM and 8:00 AM. However, by 9:00 AM, it jumps to 3, signaling an increase in UV exposure. The intensity escalates quickly, reaching a notable 6 by 10:00 AM. The real intensity hits its peak at 12:00 PM, when the UV Index soars to a striking 12, followed closely by a high of 13 at 1:00 PM. Over the next few hours, the index gradually diminishes, but still remains significant with 10 at 3:00 PM and 7 by 4:00 PM. As evening approaches, the levels continue to decline, returning to 1 once dusk settles in at 7:00 PM. Be sure to protect your skin!
| 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 | 9 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
During the year, UV exposure levels fluctuate significantly, with high-risk months identified from February to September, where the UV Index remains at extreme levels (11-13) and the burn time is as short as 10 minutes. Particularly concerning are the peak months of March, April, May, June, July, and September, all categorized as extreme, indicating a strong potential for skin damage within minutes of exposure. Conversely, January and November exhibit very high UV levels (8 and 9, respectively), allowing for slightly longer burn times of 15 minutes. As we move into December, the UV Index drops to a high level (7), with a burn time of 25 minutes. To safely enjoy the sunny weather, it is advisable for both visitors and residents to take protective measures, such as wearing sunscreen, hats, and protective clothing, especially during peak UV hours from 10 AM to 4 PM in those high-risk months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rio Medio (Granja) | 8 | 11 | 12 | 13 | 13 | 13 | 13 | 12 | 13 | 11 | 9 | 7 |
| 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 |