UV Index in Santa Ana, Argentina

Last updated: July 2, 2025

In Santa Ana, Argentina, being aware of the UV Index is essential for protecting your skin and overall health. Understanding UV levels not only helps in preventing sunburn but also plays a crucial role in maintaining long-term skin health. With Santa Ana's Cfa climate, characterized by warm summers and moderate UV exposure, awareness of peak UV times—particularly between 11 AM and 1 PM when the index reaches up to 5—is vital. By staying informed, you can better enjoy the sun while minimizing the risks associated with excessive UV radiation.

Hourly UV Index in Santa Ana

The UV Index throughout the day reveals a dynamic pattern of solar intensity. Starting with a maximum of 0 at 7 AM, it gradually rises to a moderate 5 at 1 PM, where the sun shines its strongest. By 12 PM, the UV Index hits 4, prompting the need for sun protection. The intensity begins to taper off in the afternoon, dropping to 3 by 3 PM, and further decreasing to 1 by 5 PM. As twilight approaches, the UV Index settles back to 0 by 7 PM, signaling the end of the day's sun exposure. Plan accordingly, especially during those peak hours!

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

Monthly UV Index Trends in Santa Ana

Throughout the year, UV Index levels fluctuate significantly, with January through March experiencing the highest levels, marked as extreme (UV Index 15-12) and a burn time as quick as 10 minutes. The high-risk months for UV exposure are January, February, March, October, November, and December, when the UV Index frequently reaches extreme levels. As spring approaches, levels drop in April to very high (UV Index 9) and increase burn time to 15 minutes, before settling to high levels in May and August. During summer months, June and July present moderate conditions with burn times of 30 minutes. By September, UV levels surge again to very high. Visitors and residents should prioritize sun protection in these high-risk months, wearing sunscreen, protective clothing, and limiting direct sun exposure, particularly during peak hours.

Monthly Maximum UV Index for Santa Ana, Argentina

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

The table above highlights how UV exposure in Santa Ana 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.

Santa Ana'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
Santa Ana	15	13	12	9	6	4	5	6	9	12	14	14
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