UV Index in San Martin, Argentina

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in San Martin, Argentina, where sun exposure can significantly impact skin health. With the region's BWk climate, characterized by warm temperatures, knowing the UV levels helps prevent painful sunburns and long-term skin damage. Throughout the day, UV exposure peaks between 10 AM and 3 PM, reaching a maximum of 5—a level that calls for proactive sun protection measures. Stay informed and protect your skin while enjoying the beautiful, sunny days in San Martin!

Hourly UV Index in San Martin

The UV Index throughout the day presents an intriguing pattern of sun exposure. Starting at a gentle 0 during the early hours (07:00 and 08:00), it creeps up to 1 by 09:00, a reminder to enjoy the shade. By 10:00, it registers a 2, marking the emergence of more intense sunlight. As the day progresses, the index peaks at 5 between 12:00 and 14:00, indicating the strongest UV radiation, perfect for a midday stretch outdoors—but remember to protect your skin! Following this peak, the index gradually recedes, falling to 4 at 15:00 and declining further to 1 by 17:00, before settling at 0 again by nightfall at 19:00. A day well spent under the sun, but always with awareness!

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	0	low	45 min
09:00	1	low	45 min
10:00	2	low	45 min
11:00	3	moderate	30 min
12:00	5	moderate	30 min
13:00	5	moderate	30 min
14:00	5	moderate	30 min
15:00	4	moderate	30 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in San Martin

The UV Index shows significant seasonal variation, with extreme levels observed from January to March, peaking at 15, and a return to extreme conditions in October to December. During these high-risk months, the recommended burn time is as low as 10 minutes, necessitating vigilant sun protection for both residents and visitors. From April to September, the UV Index gradually decreases, reaching moderate levels in June and July (UV Index 4) and rising again to high in August. However, April and September are categorized as very high, with burn times of 15 minutes. To mitigate UV exposure, it is crucial to seek shade, wear protective clothing, and use sunscreen, especially during peak months.

Monthly Maximum UV Index for San Martin, Argentina

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in San Martin. 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 San Martin, 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 San Martin UV Index with Other Argentina Cities

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

San Martin's solar exposure compared to other cities in Argentina. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Buenos Aires UVI	14	13	11	7	5	4	4	6	8	10	13	14
Rosario UVI	14	13	11	8	5	4	4	6	8	11	13	14
San Martin	15	14	12	8	6	4	4	6	8	12	14	15
Mendoza UVI	15	14	12	8	6	4	5	6	9	12	14	15
Cordoba UVI	15	13	12	9	6	4	5	7	9	12	14	15
San Miguel de Tucuman UVI	15	14	13	10	7	5	6	7	10	13	15	15