July Weather in Santiago, Peru

Last updated: August 27, 2025

In July, the average temperature in Santiago, Peru hovers around 8°C (47°F). Expect a range from a chilly -2°C (29°F) to a comfortable 19°C (66°F). During this time, you'll likely experience 19 mm (0.7 in) of precipitation over 4 days, with an average humidity level of 55%. Be prepared for a mix of cool days and occasional rain!

July Temperature in Santiago

In July in Santiago, the average temperature is 8°C (47°F). Maximums can reach 19°C (66°F) and minimums can be as low as -2°C (29°F). It's advisable to pack layers to stay comfortable while exploring the varied climate during your 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 8°C (47°F), with highs reaching up to 19°C (66°F) and lows dropping to around -2°C (29°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 19 mm (0.7 in) over the course of 4 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 19 mm (0.7 inches) of precipitation spread over approximately 4 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 55%. With an average temperature of 8°C (47°F), this humidity feels like a brisk morning walk with a hint of chill in the air, making it refreshing yet slightly damp—perfect for layering up while exploring the sights.

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 55%, 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 reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. 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 13, 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	9°C (49°F)	170 mm (6.7 inches)	94%	extreme
February Weather	10°C (49°F)	230 mm (9.1 inches)	92%	extreme
March Weather	9°C (49°F)	180 mm (7.1 inches)	92%	extreme
April Weather	9°C (49°F)	90 mm (3.5 inches)	90%	extreme
May Weather	9°C (48°F)	30 mm (1.2 inches)	88%	extreme
June Weather	9°C (48°F)	15 mm (0.6 inches)	77%	extreme
July Weather	8°C (47°F)	19 mm (0.7 inches)	55%	extreme
August Weather	9°C (48°F)	21 mm (0.8 inches)	44%	extreme
September Weather	10°C (49°F)	34 mm (1.3 inches)	51%	extreme
October Weather	10°C (51°F)	86 mm (3.4 inches)	64%	extreme
November Weather	11°C (51°F)	128 mm (5.0 inches)	84%	extreme
December Weather	10°C (50°F)	214 mm (8.4 inches)	93%	extreme