UV Index in Santiago, Paraguay

Last updated: June 2, 2025

Awareness of the UV Index is crucial in Santiago, Paraguay, where the combination of a humid subtropical climate and strong sunlight can elevate UV exposure risks, especially during peak hours. Understanding UV levels is essential for preventing sunburn and protecting your skin health; even brief sun exposure can lead to harmful effects. With midday UV indices reaching up to 5, residents and visitors should be mindful of sun safety practices to avoid skin damage while enjoying the vibrant outdoors of Santiago.

Hourly UV Index in Santiago

The UV Index for the day showcases a clear peak during the midday hours, rising from a low of 1 at 07:00 and 08:00. By 09:00, it reaches 2, but the real intensity hits at 10:00, soaring to 4. The maximum exposure occurs around 11:00 and 12:00, both maintaining a 5 on the scale, urging sun-seekers to take precautions. As the afternoon progresses, the index gently declines to 4 at 13:00, then dips further to 3 by 14:00. By the time the clock strikes 15:00, it drops to 2, and the evening sets in with a comfortable 1 at 16:00. After 17:00, the UV Index drops to 0, signaling a safe end to sun-related activities.

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	1	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	4	moderate	30 min
11:00	5	moderate	30 min
12:00	5	moderate	30 min
13:00	4	moderate	30 min
14:00	3	moderate	30 min
15:00	2	low	45 min
16:00	1	low	45 min
17:00	0	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Santiago

Over the course of the year, UV Index values show significant seasonal variation, with the highest levels occurring from January to March, where the UV Index ranges from 14 to 15, categorized as extreme, resulting in a quick burn time of just 10 minutes. The months of October and November also present high-risk conditions, maintaining an extreme exposure category. April marks a slight decline to a very high category at 10, while May through August see moderate to high values, with burn times extending from 25 to 30 minutes. As the year transitions into the cooler months, September sees an uptick to a very high category again. Residents and visitors should remain vigilant during the high-risk months of January, February, March, October, and November, taking precautions such as wearing sunscreen, protective clothing, and sunglasses, especially during peak sun hours, to avoid harmful UV exposure.

Monthly Maximum UV Index for Santiago, Paraguay

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

The table above highlights how UV exposure in Santiago compares to other major locations across Paraguay. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Santiago's solar exposure compared to other cities in Paraguay. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Santiago	15	14	13	10	6	5	6	7	10	13	14	14
Lambare UVI	15	14	13	10	7	5	6	8	10	13	14	15
Capiata UVI	15	14	13	10	7	5	6	8	10	13	14	15
San Lorenzo UVI	15	14	13	10	7	5	6	8	10	13	14	15
Asuncion UVI	15	14	13	10	7	5	6	8	10	13	14	15
Ciudad del Este UVI	15	15	13	10	7	5	6	8	10	13	15	14