July Weather in Buenos Aires, Costa Rica

Last updated: August 23, 2025

In July, the average temperature in Buenos Aires, Costa Rica hovers around 20°C (68°F), providing a comfortable climate for exploration. Expect temperatures to range from a minimum of 14°C (58°F) to a maximum of 26°C (80°F). However, be prepared for 237 mm (9.3 in) of precipitation spread across 28 days, contributing to an average humidity of 85%. Whether you're seeking adventure or relaxation, this combination of weather factors sets the stage for a memorable experience!

July Temperature in Buenos Aires

In July in Buenos Aires, the average temperature is 20°C (68°F), with a maximum that can reach 26°C (80°F) and a minimum that can drop to 14°C (58°F). This pleasant weather makes it an ideal time for travelers to explore the sights and indulge in outdoor activities.

July Weather in Buenos Aires: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Buenos Aires, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Buenos Aires, July typically has an average temperature of 20°C (68°F), with highs reaching up to 26°C (80°F) and lows dropping to around 14°C (58°F).

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

July Precipitation in Buenos Aires

In Buenos Aires in July, the total precipitation amount is 237 mm (9.3 in) over the course of 28 days.

July Precipitation Trends in Buenos Aires

The chart displays monthly precipitation patterns in Buenos Aires, 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 Buenos Aires, July typically receives around 237 mm (9.3 inches) of precipitation spread over approximately 28 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 Buenos Aires

In Buenos Aires in July, humidity is 85%. With an average temperature of 20°C (68°F), this humidity feels like a warm, sticky blanket enveloping you, making outdoor activities quite uncomfortable and prompting travelers to seek shade and hydration more frequently.

July Average Humidity in Buenos Aires

This chart illustrates the average monthly humidity levels in Buenos Aires, 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 Buenos Aires is approximately 85%, 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 Buenos Aires

In Buenos Aires in July, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Buenos Aires, you can check here.

Maximum UV Index Levels in Buenos Aires for July

The chart shows the monthly maximum UV Index (UVI) for Buenos Aires 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 Buenos Aires typically reaches 14, which falls under the extreme exposure category.

Data source: Buenos Aires 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 Buenos Aires Compares to Other Months

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

This table compares monthly weather conditions in Buenos Aires, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (66°F)	50 mm (2.0 inches)	68%	extreme
February Weather	19°C (66°F)	42 mm (1.6 inches)	68%	extreme
March Weather	19°C (67°F)	35 mm (1.4 inches)	66%	extreme
April Weather	20°C (68°F)	113 mm (4.5 inches)	67%	extreme
May Weather	20°C (68°F)	397 mm (15.6 inches)	69%	extreme
June Weather	20°C (68°F)	288 mm (11.4 inches)	84%	extreme
July Weather	20°C (68°F)	237 mm (9.3 inches)	85%	extreme
August Weather	20°C (67°F)	354 mm (13.9 inches)	82%	extreme
September Weather	19°C (67°F)	299 mm (11.8 inches)	81%	extreme
October Weather	19°C (67°F)	490 mm (19.3 inches)	80%	extreme
November Weather	19°C (67°F)	304 mm (12.0 inches)	80%	extreme
December Weather	19°C (66°F)	86 mm (3.4 inches)	72%	extreme