August Weather in Santiago, Paraguay

Last updated: August 31, 2025

In August, the average temperature in Santiago, Paraguay is a pleasant 18°C (65°F). However, temperatures can fluctuate significantly, dipping as low as 2°C (36°F) and soaring up to 38°C (100°F). With an average precipitation of 68 mm (2.7 in) over 6 days, it's essential to be prepared for occasional rain. The average humidity sits at a comfortable 49%, making it a great time to enjoy the outdoors!

August Temperature in Santiago

In August in Santiago, the average temperature is 18°C (65°F). Maximums can reach 38°C (100°F) and minimums can be as low as 2°C (36°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

August Weather in Santiago: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Santiago, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiago, August typically has an average temperature of 18°C (65°F), with highs reaching up to 38°C (100°F) and lows dropping to around 2°C (36°F).

Data source: Temperature data for Santiago generated using information from the Copernicus Climate Change Service.

August Precipitation in Santiago

In Santiago in August, the precipitation amount is 68 mm (2.7 in) spread over the course of 6 days.

August Precipitation Trends in Santiago

The chart displays monthly precipitation patterns in Santiago, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Santiago, August typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Santiago

In Santiago in August humidity is 49%. With an average temperature of 18°C (65°F), this humidity feels like a refreshing breeze, making it pleasant for traveling and exploring the sights without feeling overheated.

August Average Humidity in Santiago

This chart illustrates the average monthly humidity levels in Santiago, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Santiago is approximately 49%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Santiago

In Santiago in August, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Santiago.

Maximum UV Index Levels in Santiago for August

The chart shows the monthly maximum UV Index (UVI) for Santiago in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Santiago typically reaches 7, which falls under the high exposure category.

Data source: Santiago August UVI data generated using 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.

How August Weather in Santiago Compares to Other Months

Weather in Santiago varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Santiago, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Santiago, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (82°F)	153 mm (6.0 inches)	77%	extreme
February Weather	27°C (80°F)	89 mm (3.5 inches)	71%	extreme
March Weather	25°C (78°F)	120 mm (4.7 inches)	74%	extreme
April Weather	22°C (73°F)	137 mm (5.4 inches)	82%	very high
May Weather	19°C (66°F)	208 mm (8.2 inches)	82%	high
June Weather	17°C (63°F)	98 mm (3.9 inches)	73%	moderate
July Weather	16°C (61°F)	74 mm (2.9 inches)	67%	high
August Weather	18°C (65°F)	68 mm (2.7 inches)	49%	high
September Weather	21°C (69°F)	91 mm (3.6 inches)	54%	very high
October Weather	23°C (74°F)	165 mm (6.5 inches)	58%	extreme
November Weather	25°C (77°F)	145 mm (5.7 inches)	69%	extreme
December Weather	27°C (80°F)	86 mm (3.4 inches)	84%	extreme