August Weather in Santiago, Colombia

Last updated: August 23, 2025

In August, the average temperature in Santiago, Colombia hovers around 21°C (70°F), creating a pleasant atmosphere for activities. Temperatures can dip to a minimum of 15°C (58°F) and rise to a maximum of 30°C (85°F). Expect some rain, with precipitation measuring about 28 mm (1.1 in) over the course of 4 days. Additionally, the average humidity sits at a comfortable 82%, adding to the region's charm.

August Temperature in Santiago

In August in Santiago, the average temperature is 21°C (70°F). Maximums can reach 30°C (85°F), and minimums can be as low as 15°C (58°F). This makes it a perfect time for travelers to enjoy outdoor activities and explore the beautiful surroundings.

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 21°C (70°F), with highs reaching up to 30°C (85°F) and lows dropping to around 15°C (58°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 28 mm (1.1 in) over the course of 4 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 28 mm (1.1 inches) of precipitation spread over approximately 4 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Santiago

In Santiago in August, humidity is 82%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace that can quickly lead to discomfort for travelers, making outdoor activities less enjoyable and requiring frequent breaks for hydration.

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 82%, 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 reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For 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 15, which falls under the extreme 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	19°C (67°F)	43 mm (1.7 inches)	52%	extreme
February Weather	19°C (67°F)	74 mm (2.9 inches)	47%	extreme
March Weather	19°C (67°F)	112 mm (4.4 inches)	45%	extreme
April Weather	20°C (68°F)	117 mm (4.6 inches)	54%	extreme
May Weather	20°C (69°F)	100 mm (3.9 inches)	81%	extreme
June Weather	20°C (69°F)	62 mm (2.5 inches)	88%	extreme
July Weather	21°C (70°F)	23 mm (0.9 inches)	88%	extreme
August Weather	21°C (70°F)	28 mm (1.1 inches)	82%	extreme
September Weather	21°C (70°F)	57 mm (2.3 inches)	78%	extreme
October Weather	20°C (69°F)	118 mm (4.6 inches)	83%	extreme
November Weather	20°C (68°F)	101 mm (4.0 inches)	83%	extreme
December Weather	20°C (68°F)	29 mm (1.1 inches)	70%	extreme