UV Index in Union, Argentina

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Union, Argentina, where the climate often presents varying levels of sun exposure. Awareness of UV levels not only helps prevent painful sunburns but also plays a significant role in long-term skin health. With Union's temperate climate characterized by moderate to high UV radiation, particularly between 11:00 AM and 3:00 PM, being informed about the UV Index can empower individuals to make safer choices outdoors, safeguarding their skin against harmful effects. Stay informed, stay protected!

Hourly UV Index in Union

Today’s UV Index reveals a gradual ascent in sun intensity as the day unfolds. Starting from 0 at 07:00 and 08:00, the UVI picks up momentum, reaching 1 by 09:00 and 10:00. The peak occurs between 12:00 and 14:00, with a maximum of 4—an ideal time for sun safety awareness! As the afternoon transitions to evening, the index declines to 3 at 15:00 and dips back to 1 by 17:00 and 18:00, before finally resting at 0 by 19:00. Plan your outdoor activities wisely, 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	0	low	45 min
09:00	1	low	45 min
10:00	1	low	45 min
11:00	2	low	45 min
12:00	3	moderate	30 min
13:00	4	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 Union

Throughout the year, UV exposure levels exhibit significant seasonal fluctuations. January, February, March, October, November, and December are characterized by an extreme UV Index, reaching as high as 14, with a minimal burn time of just 10 minutes—making these months particularly high-risk for skin damage. In contrast, April sees a high UV Index of 7 (burn time of 25 minutes), which transitions into a moderate level in May, June, and July (UV Index between 3 and 5) with a burn time of 30 minutes. August returns to a high UV level of 6 (25 minutes burn time), while September presents a very high risk with a UV Index of 8 and a shortened burn time of 15 minutes. Visitors and residents are advised to exercise caution and seek shade, wear protective clothing, and apply sunscreen during the high-risk months, particularly from October to March, to minimize harmful UV exposure.

Monthly Maximum UV Index for Union, Argentina

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

The table above highlights how UV exposure in Union 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.

Union'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
Union	14	13	11	7	5	3	4	6	8	11	14	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