UV Index in Santiago, Paraguay

Last updated: August 1, 2025

In Santiago, Paraguay, being aware of the UV Index is crucial for safeguarding your skin against harmful ultraviolet rays. Understanding UV levels is essential not only for preventing sunburn but also for promoting long-term skin health. Santiago's Cfa climate features sunny days with significant UV exposure, especially during the midday hours when the index peaks at 6 around noon. By staying informed about UV rates, residents can take proactive steps to protect themselves from the sun's damaging effects and enjoy the outdoors safely.

Hourly UV Index in Santiago

Experience the sun's intensity as the day unfolds with the UV Index revealing a dynamic range of exposure. Beginning at dawn, the index starts at a modest 1 at 07:00 and 08:00, making it a safe time for morning strolls. As the sun climbs higher, the UV Index rises sharply, peaking at 6 between 12:00 and 13:00, signaling high risk for skin damage at midday. Afterward, it gradually tapers off, dipping to 2 by 15:00, and further falling back to 1 by the late afternoon. As evening approaches, the UV levels finally drop to 0 after 18:00, providing a safe end to the day. Remember, protection is key 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	1	low	45 min
08:00	2	low	45 min
09:00	4	moderate	30 min
10:00	6	high	25 min
11:00	7	high	25 min
12:00	7	high	25 min
13:00	6	high	25 min
14:00	4	moderate	30 min
15:00	3	moderate	30 min
16:00	1	low	45 min
17:00	1	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