August Weather in Santiago, Mexico

Last updated: August 27, 2025

In Santiago, Mexico, the average temperature in August is a pleasant 24°C (75°F). Temperatures can range from a cool 16°C (61°F) to a warm 32°C (90°F), making it ideal for various activities. Expect about 30 mm (1.2 in) of precipitation spread over 6 days, accompanied by an average humidity of 58%. Perfect for enjoying both sunny and cozy weather!

August Temperature in Santiago

In August in Santiago, the average temperature is 24°C (75°F). Maximum can reach 32°C (90°F) and minimum can be as low as 16°C (61°F). This pleasant climate makes Santiago an ideal destination for travelers seeking comfortable weather and enjoyable outdoor activities.

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 24°C (75°F), with highs reaching up to 32°C (90°F) and lows dropping to around 16°C (61°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 total precipitation amount is 30 mm (1.2 in) spread across 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 30 mm (1.2 inches) of precipitation spread over approximately 6 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 58%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making the air noticeably thick and inviting but also a bit stifling for traveling.

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 58%, 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 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. 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 12, 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	11°C (53°F)	45 mm (1.8 inches)	75%	high
February Weather	14°C (57°F)	78 mm (3.1 inches)	70%	very high
March Weather	17°C (62°F)	98 mm (3.9 inches)	65%	extreme
April Weather	19°C (67°F)	187 mm (7.4 inches)	59%	extreme
May Weather	22°C (72°F)	193 mm (7.6 inches)	66%	extreme
June Weather	23°C (74°F)	93 mm (3.7 inches)	71%	extreme
July Weather	23°C (74°F)	120 mm (4.7 inches)	57%	extreme
August Weather	24°C (75°F)	30 mm (1.2 inches)	58%	extreme
September Weather	22°C (71°F)	191 mm (7.5 inches)	72%	extreme
October Weather	19°C (66°F)	73 mm (2.9 inches)	76%	extreme
November Weather	15°C (59°F)	54 mm (2.1 inches)	81%	very high
December Weather	13°C (55°F)	50 mm (2.0 inches)	80%	high