Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Plutarco Elias Calles (Cura Hueso), where the tropical climate can lead to significantly high levels of ultraviolet radiation. With peak UV levels reaching a striking 13 between noon and 1 PM, awareness of UV exposure is essential for effective sunburn prevention and maintaining overall skin health. As you enjoy the region's sunny days, being mindful of the UV Index can help you safeguard against the harmful effects of the sun, ensuring that your time outdoors is both enjoyable and safe.
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 |
The UV Index experiences significant fluctuations throughout the year, with January and February marking the start of very high UV levels at 9 and 10 respectively, where the burn time is just 15 minutes. As spring approaches, particularly in March and April, the UV Index escalates to extreme levels, peaking at 13, with critical burn times reducing to 10 minutes. This intensity continues through the summer months of May, June, July, and August. Notably, July is particularly hazardous, maintaining a high UV Index of 13. As autumn arrives, from September to October, the UV levels remain extreme, although slightly less intense at 11. As winter settles in, November and December witness a return to very high categories, dropping to 9 and 8 respectively. Given these conditions, it is imperative for visitors and residents to take precautions during the high-risk months from March through October, emphasizing the importance of sunscreen, protective clothing, and limited sun exposure during peak hours to minimize the risks of sunburn and long-term skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Plutarco Elias Calles (Cura Hueso) | 9 | 10 | 12 | 13 | 12 | 13 | 13 | 12 | 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 |