UV Index in Cafayate, Argentina

Last updated: July 2, 2025

Understanding the UV Index is crucial for anyone living in or visiting Cafayate, Argentina. As a region known for its sunny climate, the UV levels can rise significantly, peaking at 8 during the midday hours, which can lead to a higher risk of sunburn and long-term skin damage. By being aware of these levels, residents and tourists alike can take proactive measures to protect their skin and maintain overall health. In Cafayate's Cwb climate zone, which features dry summers and mild winters, it is especially important to monitor UV exposure during sunny days, ensuring that everyone can enjoy the beautiful outdoors safely.

Hourly UV Index in Cafayate

The UV Index throughout the day showcases a dynamic dance of solar intensity. Morning hours start off gentle, with values of 0 until 09:00, only creeping up to 1 by mid-morning. As the sun climbs higher, the index rises sharply, peaking at a robust 8 around 13:00, highlighting the potential for strong UV exposure. The early afternoon brings a slight decline to 7 by 14:00 and continues to ease down to 4 by 16:00. As the day winds down, the UV intensity drops rapidly, falling back to 1 by 18:00 and returning to 0 by 19:00. For those enjoying the sun, protective measures are essential during those peak hours, especially between 11:00 and 14:00!

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	4	moderate	30 min
12:00	6	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 Cafayate

Throughout the year, the UV Index shows significant seasonal variations, with the highest values occurring during the winter and late fall months. High-risk months for UV exposure include January, February, November, and December, all categorized as extreme with UV Index values ranging from 17 to 18 and a burn time of only 10 minutes. The spring months see a gradual decline, peaking in March at an Index of 15 before decreasing in May and June to a very high category. Conversely, September and October experience a surge back to an extreme category, especially in September at 12. To ensure safety, both visitors and residents are advised to take precautions, such as seeking shade, wearing protective clothing, and applying sunscreen, especially during the extreme UV Index months.

Monthly Maximum UV Index for Cafayate, Argentina

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

The table above highlights how UV exposure in Cafayate 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.

Cafayate'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
Cafayate	17	16	15	12	9	6	8	9	12	15	17	18