July Weather in Santiago, Mexico

Last updated: August 27, 2025

In Santiago, Mexico, the average temperature in July is a warm 28°C (84°F). Expect comfortable evenings with minimums around 20°C (69°F), while daytime peaks can reach a sizzling 38°C (101°F). During this month, you'll encounter 93 mm (3.7 in) of precipitation spread over 12 days, contributing to an average humidity level of 71%. Stay hydrated and enjoy the tropical vibes!

July Temperature in Santiago

In July in Santiago, the average temperature is 28°C (84°F). Maximum temperatures can reach as high as 38°C (101°F), while the minimum can drop to as low as 20°C (69°F). This warm climate makes Santiago a great destination for sun-seekers and outdoor enthusiasts looking to enjoy pleasant weather during their travels.

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

The chart illustrates July 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, July typically has an average temperature of 28°C (84°F), with highs reaching up to 38°C (101°F) and lows dropping to around 20°C (69°F).

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

July Precipitation in Santiago

In Santiago in July, the precipitation amount is 93 mm (3.7 in) over the course of 12 days.

July Precipitation Trends in Santiago

The chart displays monthly precipitation patterns in Santiago, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Santiago, July typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Santiago

In Santiago in July, humidity is 71%. With an average temperature of 28°C (84°F), this humidity feels like a warm, enveloping blanket that makes traveling slightly uncomfortable, as you can easily become sweaty and fatigued, especially during outdoor activities.

July Average Humidity in Santiago

This chart illustrates the average monthly humidity levels in Santiago, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Santiago is approximately 71%, offering insight into how humid the weather typically is during this month.

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

July UV Index in Santiago

In Santiago in July, 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 July

The chart shows the monthly maximum UV Index (UVI) for Santiago in July, 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 July, the maximum UV index in Santiago typically reaches 12, which falls under the extreme exposure category.

Data source: Santiago July 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 July 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 July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (63°F)	10 mm (0.4 inches)	68%	high
February Weather	18°C (65°F)	14 mm (0.6 inches)	66%	very high
March Weather	20°C (69°F)	2 mm (0.1 inches)	65%	extreme
April Weather	23°C (73°F)	1 mm (0.0 inches)	63%	extreme
May Weather	25°C (77°F)	0 mm (0.0 inches)	63%	extreme
June Weather	28°C (83°F)	22 mm (0.9 inches)	66%	extreme
July Weather	28°C (84°F)	93 mm (3.7 inches)	71%	extreme
August Weather	28°C (83°F)	131 mm (5.2 inches)	73%	extreme
September Weather	26°C (80°F)	175 mm (6.9 inches)	74%	extreme
October Weather	25°C (78°F)	25 mm (1.0 inches)	73%	extreme
November Weather	22°C (72°F)	24 mm (0.9 inches)	71%	very high
December Weather	18°C (65°F)	14 mm (0.5 inches)	69%	high