Last updated: June 2, 2025
In Santa Ana Viejo, Mexico, awareness of the UV Index is crucial for safeguarding your skin. With its BSh climate, this region often experiences intense sunlight, making it essential to understand UV levels to prevent sunburn and promote overall skin health. The UV Index can reach alarming highs, peaking at 12 around noon, highlighting the urgent need for protective measures during the sunniest hours. By staying informed about UV exposure risks, residents and visitors can enjoy the warm, sunny days while minimizing the potential for harmful effects on their skin.
As the sun rises, the UV Index starts low at 1 at 07:00, but by 09:00, it climbs to a moderate 6. The peak intensity occurs around 12:00, reaching an impressive 12, indicating that midday sun can be intense. For the next hour, it holds steady at 12, before gradually tapering off to 10 by 14:00. The index continues to decline, dropping to 7 at 15:00, then settling to a more manageable 5 by 16:00. As the day draws to a close, the UV levels drop further to 2 at 17:00, and finally return to 1 by 19:00. Throughout the day, it's essential to stay protected from the sun's rays, especially during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels show significant seasonal changes, with peak exposure occurring from April to September when the index remains at an extreme level of 12. During these high-risk months, especially from March to September, the burn time is drastically reduced to just 10 minutes, emphasizing the need for diligent sun protection measures. Conversely, the UV Index subsides in the late fall and winter months, reaching a moderate level of 5 in January and December, which allows for safer sun exposure, with burn times extending to 30 minutes. Residents and visitors are strongly advised to take precautions during the high-risk months, such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours, especially from April to September, to minimize the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Santa Ana Viejo | 5 | 7 | 10 | 12 | 12 | 12 | 12 | 12 | 11 | 9 | 6 | 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 |