UV Index in El Alto, Argentina

Last updated: June 2, 2025

In El Alto, Argentina, being aware of the UV Index is crucial for protecting your skin from harmful ultraviolet radiation. Understanding UV levels assists in preventing sunburn and promoting overall skin health, especially in a region where high-altitude sunshine can intensify UV exposure. With a BSh climate, El Alto experiences bright, sunny days, making it essential to monitor UV risks throughout the day, particularly between 10 AM and 3 PM when the index peaks at levels that warrant precaution. Stay informed and enjoy the sun safely!

Hourly UV Index in El Alto

The UV Index today starts off low, with maximum readings of 0 until 09:00, making it a safe time for morning activities. As the sun rises higher, the index gradually increases, peaking at 5 between 13:00 and 14:00. This indicates a moderate risk of harm from unprotected sun exposure during the late morning and early afternoon. Fortunately, as the day progresses into the afternoon and evening, the UV levels start to decline, dropping back to 1 by 17:00 and returning to 0 by 19:00. For those planning outdoor activities, it’s best to enjoy the midday sun while being mindful of the increasing UV risk!

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	4	moderate	30 min
13:00	5	moderate	30 min
14:00	5	moderate	30 min
15:00	4	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 El Alto

The UV Index experiences significant seasonal fluctuations, with the highest risk months being January, February, March, October, November, and December, where the index reaches extreme levels of 15 and burn times are as short as 10 minutes. April and September also present considerable risk, categorized as very high with indices of 10, warranting a burn time of just 15 minutes. During the summer months of May, June, July, and August, the UV Index ranges from high to moderate, allowing for longer exposure times of up to 30 minutes in the latter months. It is crucial for visitors and residents to take protective measures during high-risk months, such as wearing sunscreen, sunglasses, and protective clothing, and to seek shade whenever possible to avoid harmful UV exposure.

Monthly Maximum UV Index for El Alto, Argentina

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

The table above highlights how UV exposure in El Alto 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.

El Alto'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
El Alto	15	14	13	10	7	5	5	7	10	13	15	15
San Miguel de Tucuman UVI	15	14	13	10	7	5	6	7	10	13	15	15