UV Index in Buenos Aires, Mexico

Last updated: May 3, 2025

In Buenos Aires, Mexico, staying informed about the UV Index is essential for protecting your skin and overall health. Understanding UV levels helps in preventing sunburn and reduces the risk of long-term skin damage. This vibrant city, characterized by its warm climate, experiences intense sun exposure, particularly during midday hours when the UV Index can soar to 12—a level that poses significant risks. By being aware of the UV Index, you can take proactive measures to enjoy the sun safely while safeguarding your skin health.

Hourly UV Index in Buenos Aires

The UV Index throughout the day presents an intriguing picture of sun exposure. Starting with a low of 0 at 7:00 AM, the index slowly climbs to 1 by 8:00 AM. As the sun ascends, 9:00 AM witnesses a rise to 2, followed by a leap to 4 at 10:00 AM. The intensity peaks impressively, reaching 10 at noon and hitting a maximum of 12 between 1:00 PM and 2:00 PM. As the afternoon unfolds, the index gradually declines: from 11 at 3:00 PM to 5 by 5:00 PM, and tapering off to 1 by 7:00 PM. This data highlights a striking reminder of the sun's potency during midday hours, urging outdoor enthusiasts to take precautions in peak UV times.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	0	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	12	extreme	10 min
14:00	12	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

Monthly UV Index Trends in Buenos Aires

The UV Index exhibits significant seasonal fluctuations, peaking in the late spring and summer months. From January to April, the UV Index rises sharply, reaching its maximum of 14 in June. The months of February to October are classified as high-risk, with burn times as short as 10 minutes during periods of extreme exposure. Visitors and residents should take precautions by wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours, especially from February through September. As the year transitions into the cooler months of November and December, the UV Index drops to 9 and 8, respectively, indicating a decreased, yet still considerable, risk. It's essential to remain vigilant about UV protection year-round to minimize skin damage.

Monthly Maximum UV Index for Buenos Aires, Mexico

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Buenos Aires. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Buenos Aires, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Buenos Aires UV Index with Other Mexico Cities

The table above highlights how UV exposure in Buenos Aires compares to other major locations across Mexico. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Buenos Aires's solar exposure compared to other cities in Mexico. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Buenos Aires	9	11	13	13	13	14	13	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