Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in San Rafael, Mexico, where the warm Cfa climate offers plenty of sunshine. As UV levels can soar, especially between 11:00 AM and 2:00 PM, when they reach a maximum of 14, being aware of these levels is vital for sunburn prevention and maintaining overall skin health. Effective management of sun exposure can not only help avoid painful burns but also reduce the long-term risks of skin damage. With San Rafael's typical sunny days, prioritizing UV Index awareness is essential for safely enjoying the outdoors.
The UV Index for the day showcases a dramatic rise in intensity as the sun climbs higher in the sky. Starting from a mild 1 at 07:00 and 08:00, the readings gradually increase, reaching a moderate 2 by 09:00. The real jump occurs between 10:00 and 13:00, where it surges to a peak of 14 at both 13:00 and 14:00, emphasizing the need for sun protection during these hours. As the afternoon progresses, the index begins to taper off, measuring 12 at 15:00, then dropping significantly to 5 by 17:00. Finally, the UV Index returns to a safe 1 by 19:00, reminding us how crucial it is to stay vigilant during peak sunlight!
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 | 5 | moderate | 30 min |
11:00 | 8 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 14 | extreme | 10 min |
14:00 | 14 | extreme | 10 min |
15:00 | 12 | extreme | 10 min |
16:00 | 9 | very high | 15 min |
17:00 | 5 | moderate | 30 min |
18:00 | 3 | moderate | 30 min |
19:00 | 1 | low | 45 min |
The UV Index exhibits significant seasonal changes, peaking during the warmer months. Starting in January with a UV Index of 8 categorized as very high, the risk escalates rapidly through March and April, reaching an extreme UV Index of 14 in July. The high-risk months are primarily from March to October, where the exposure category remains at extreme, with a quick burn time of just 10 minutes. November and December see a slight decrease in UV intensity, but caution is still advised due to very high exposure levels, particularly in November. Visitors and residents are strongly advised to use sun protection measures, such as sunscreen and protective clothing, during these peak months and limit sun exposure to maintain skin health.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
San Rafael | 8 | 10 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 12 | 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 |