UV Index in Salta, Argentina

Last updated: July 2, 2025

In Salta, Argentina, staying informed about the UV Index is crucial for protecting your skin and maintaining overall health. Understanding UV levels not only helps in preventing painful sunburns but also plays a pivotal role in lowering the long-term risks of skin cancer. Salta's Cwa climate features intense sun exposure, particularly during the midday hours when UV levels soar to a maximum of 8 around 13:00. By being aware of these levels, residents and visitors can better safeguard themselves against harmful effects of UV radiation and enjoy the beautiful outdoor experiences that Salta has to offer.

Hourly UV Index in Salta

Today’s UV index reveals a steady climb as the sun rises, starting from 0 at 7:00 AM and gradually peaking at a robust 8 during 1:00 PM. The sun's intensity reaches its zenith at 12:00 PM, hitting 7, as outdoor enthusiasts should take extra precautions. By mid-afternoon, the index begins to taper off, dropping to 6 at 3:00 PM and further declining to 1 by 6:00 PM. As the day progresses, it’s essential to be mindful of the UV levels, especially between 11:00 AM and 3:00 PM, when the risk of sun damage is significantly higher. Enjoy the sunshine, but remember to wear your sunscreen!

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	4	moderate	30 min
12:00	7	high	25 min
13:00	8	very high	15 min
14:00	7	high	25 min
15:00	6	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Salta

The UV Index exhibits significant seasonal fluctuations, peaking during the winter and early spring months. From January to April, the index remains in the extreme category, with values ranging from 17 to 12 and a consistently short burn time of just 10 minutes. May through August presents a notable decrease, with a shift to very high values between 9 and 10, allowing for longer exposure times of 15 to 25 minutes. As the year progresses into September through November, the UV Index again escalates to the extreme range with indices of 12 to 16 and a reduced burn time of 10 minutes. December returns to the peak at 17. Visitors and residents are strongly advised to practice adequate sun protection during high-risk months, particularly from January to April and September to November, by using sunscreen, wearing protective clothing, and limiting sun exposure to mitigate the risk of skin damage.

Monthly Maximum UV Index for Salta, Argentina

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

The table above highlights how UV exposure in Salta 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.

Salta'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
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
Salta	17	16	15	12	9	6	8	10	12	15	16	17