UV Index in Humahuaca, Argentina

Last updated: May 3, 2025

Understanding the UV Index is vital for residents and visitors of Humahuaca, Argentina, where the climate is characterized by a cool, dry atmosphere (Cwb climate zone) that can still present significant sun exposure risks. As the sun's rays peak in intensity around noon, knowing the UV levels helps in preventing sunburn and protecting your skin health. With the UV Index potentially reaching a maximum of 10 during the brightest hours, it's essential to stay informed and take precautions to enjoy the stunning landscapes without compromising your well-being.

Hourly UV Index in Humahuaca

During the day, the UV Index shows a dramatic increase, peaking at 10 between 1:00 PM and 2:00 PM, indicating a high risk of harm from unprotected sun exposure. Starting from a low of 0 at 7:00 AM, the index gradually climbs to 6 at 11:00 AM and then reaches its zenith at noon with a sharp rise to 9. As the afternoon progresses, the levels begin to decline, dropping to 7 by 3:00 PM and then tapering off to 1 by 6:00 PM, before settling back to 0 after sunset. It is essential to take precautions during the peak hours, especially between noon and 2:00 PM, when UV exposure is most intense.

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	4	moderate	30 min
11:00	6	high	25 min
12:00	9	very high	15 min
13:00	10	very high	15 min
14:00	9	very high	15 min
15:00	7	high	25 min
16:00	5	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 Humahuaca

The UV Index in this region shows significant fluctuations throughout the year, with extreme levels persisting from January to April, peaking at 19 in both February and December. As we transition into the summer months, May through July, the UV Index remains very high, ranging from 8 to 10, with burn times extending to 15 minutes. Notably, August experiences a spike back to an extreme UV Index of 11, and this intensity continues into September and October before returning to an extreme rating of 18 in November. Residents and visitors should exercise caution during the high-risk months of January through April and August through November, ensuring they take protective measures such as wearing sunblock, protective clothing, and sunglasses, and limiting sun exposure, especially during peak hours.

Monthly Maximum UV Index for Humahuaca, Argentina

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

The table above highlights how UV exposure in Humahuaca 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.

Humahuaca'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
Humahuaca	18	19	16	13	10	8	9	11	15	17	18	19