Last updated: July 2, 2025
Understanding the UV Index in Buenos Aires, Mexico is crucial for maintaining skin health and preventing painful sunburns. With the region's tropical climate, exposure to elevated UV levels can be a significant risk, especially during the peak hours between 11 AM and 2 PM, where the index can soar to a staggering 12—considered very high. By staying informed about the UV Index, residents and visitors alike can take proactive measures to protect themselves from harmful UV rays and enjoy their time outdoors without the worry of skin damage.
The UV Index data for the day reveals a significant rise in sun exposure as the hours progress. Starting at 07:00 AM with a low index of 1, the intensity gradually increases, reaching 2 by 09:00 AM. However, the true peak occurs between 10:00 AM and 02:00 PM, where values soar to a staggering 12 at 12:00 PM and peak at 14 by 01:00 PM. As the afternoon wanes, the index begins to decline to 8 at 04:00 PM, before dropping to 2 by 06:00 PM and returning to a safe 1 by 07:00 PM. This data underscores the importance of protecting your skin during those midday hours when the UV radiation is strongest. Don't forget your sunscreen!
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 | 9 | very high | 15 min |
12:00 | 12 | extreme | 10 min |
13:00 | 14 | extreme | 10 min |
14:00 | 13 | extreme | 10 min |
15:00 | 11 | extreme | 10 min |
16:00 | 8 | very high | 15 min |
17:00 | 5 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, peaking during the summer months. From January to March, the UV Index rises progressively from 9 to 12, marking the start of higher sun exposure risks with burn times decreasing to 10 minutes by late winter. The months of April to September present the highest danger, with the UV Index reaching its max of 14 in July. The exposure category remains at extreme throughout this period, indicating a burn time of just 10 minutes. As we move into fall, the UV Index drops slightly but stays within the extreme category until October, before retreating to very high levels in November and December. Residents and visitors should exercise caution and take protective measures during high-risk months, particularly from March to October, when the potential for skin damage is considerably elevated. Always apply sunscreen, wear protective clothing, and seek shade during peak hours to minimize risks.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Buenos Aires | 9 | 11 | 12 | 13 | 13 | 13 | 14 | 12 | 13 | 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 |