Last updated: May 3, 2025
In Nueva Rosita, Mexico, understanding the UV Index is crucial for safeguarding your skin and overall health. With the intense sun exposure typical of its BSh climate, locals and visitors alike should be vigilant about UV levels, particularly when they soar to dangerous heights—peaking at 12 during midday. Awareness of these levels not only helps in preventing painful sunburns but also plays a significant role in long-term skin health, reducing the risk of skin cancer and other UV-related issues. Make informed choices about sun protection and enjoy the vibrant sun-filled days safely!
The hourly UV Index reveals an intense progression of sun exposure throughout the day, reaching its peak at 2 PM with a striking level of 12. Starting from a minimal 1 at 7 AM and 8 AM, the index gradually rises, hitting 4 by 10 AM and soaring to 7 at 11 AM. By noon, the UV Index spikes to 10, urging caution for sun-seekers. The afternoon brings the highest risk, with 11 at 1 PM and a blazing 12 at 2 PM, before it begins to decline. Fortunately, from 3 PM onwards, the UV levels decrease to 10, then to 8 at 4 PM, 5 at 5 PM, and tapering down to 1 by 7 PM, signaling a safe reprieve from the sun's intensity. Stay vigilant during the midday hours to protect your skin!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | 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 | 11 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure significantly fluctuates, with the highest risk months occurring from March through September, where the UV Index consistently reaches extreme levels of 10 to 12. Specifically, April to August presents the greatest danger with an unprecedented UV Index of 12, allowing only a mere 10 minutes before burning may occur. January and November pose moderate to high risks, while December offers the safest conditions with a reduced UV Index of 5. Residents and visitors are strongly advised to take precautionary measures during high-risk months, such as wearing sunscreen, protective clothing, and seeking shade to minimize UV exposure and reduce the risk of sunburn.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nueva Rosita | 6 | 9 | 10 | 11 | 11 | 12 | 12 | 12 | 11 | 9 | 7 | 5 |
| 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 |