October Weather in Buenos Aires, Peru

Last updated: August 27, 2025

In October, the average temperature in Buenos Aires, Peru is a pleasant 16°C (61°F), with minimums dipping to 14°C (57°F) and maximums reaching 19°C (66°F). Expect 22 mm (0.9 in) of precipitation over 7 days, contributing to a humidity level of 82%. This weather offers a refreshing and cozy atmosphere perfect for exploring the local scenery!

October Temperature in Buenos Aires

In October in Buenos Aires, the average temperature is 16°C (61°F). Maximums can reach 19°C (66°F) and minimums can be as low as 14°C (57°F). This mild weather makes it a great time to explore and enjoy outdoor activities in Buenos Aires.

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

The chart illustrates October 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, October typically has an average temperature of 16°C (61°F), with highs reaching up to 19°C (66°F) and lows dropping to around 14°C (57°F).

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

October Precipitation in Buenos Aires

In Buenos Aires in October, the precipitation amount is 22 mm (0.9 in) over the course of 7 days.

October Precipitation Trends in Buenos Aires

The chart displays monthly precipitation patterns in Buenos Aires, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Buenos Aires, October typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 7 days.

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

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Millimeters (mm) Inches (in)

October Humidity in Buenos Aires

In Buenos Aires in October humidity is 82%. With an average temperature of 16°C (61°F), this humidity feels like a heavy blanket enveloping you, making travel feel a bit sluggish and requiring frequent breaks to hydrate and cool down.

October Average Humidity in Buenos Aires

This chart illustrates the average monthly humidity levels in Buenos Aires, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Buenos Aires is approximately 82%, offering insight into how humid the weather typically is during this month.

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

October UV Index in Buenos Aires

In Buenos Aires in October, 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 Buenos Aires.

Maximum UV Index Levels in Buenos Aires for October

The chart shows the monthly maximum UV Index (UVI) for Buenos Aires in October, 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 October, the maximum UV index in Buenos Aires typically reaches 13, which falls under the extreme exposure category.

Data source: Buenos Aires October 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 October 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 October’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 October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (69°F)	17 mm (0.7 inches)	91%	extreme
February Weather	22°C (72°F)	16 mm (0.6 inches)	89%	extreme
March Weather	22°C (72°F)	28 mm (1.1 inches)	89%	extreme
April Weather	20°C (68°F)	16 mm (0.6 inches)	88%	extreme
May Weather	18°C (65°F)	13 mm (0.5 inches)	84%	extreme
June Weather	18°C (64°F)	15 mm (0.6 inches)	73%	very high
July Weather	17°C (63°F)	19 mm (0.8 inches)	55%	very high
August Weather	16°C (61°F)	19 mm (0.8 inches)	53%	extreme
September Weather	16°C (61°F)	24 mm (1.0 inches)	62%	extreme
October Weather	16°C (61°F)	22 mm (0.9 inches)	82%	extreme
November Weather	17°C (63°F)	13 mm (0.5 inches)	89%	extreme
December Weather	19°C (66°F)	22 mm (0.9 inches)	91%	extreme