October Weather in Buenos Aires, Mexico

Last updated: August 27, 2025

In October, the average temperature in Buenos Aires, Mexico hovers around 27°C (81°F), creating a warm and inviting atmosphere. Expect minimum temperatures to dip to 22°C (72°F) and soar to a comfortable 34°C (93°F). However, don't forget your umbrella, as the region experiences about 266 mm (10.5 in) of precipitation over 21 days, contributing to an average humidity of 81%.

October Temperature in Buenos Aires

In October in Buenos Aires, the average temperature is 27°C (81°F). Maximum temperatures can reach 34°C (93°F), while the minimum can drop to as low as 22°C (72°F). Overall, this makes Buenos Aires a warm and pleasant destination, perfect for travelers looking to enjoy the sun.

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 27°C (81°F), with highs reaching up to 34°C (93°F) and lows dropping to around 22°C (72°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 266 mm (10.5 in) over the course of 21 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 266 mm (10.5 inches) of precipitation spread over approximately 21 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 81%. With an average temperature of 27°C (81°F), this humidity feels like a warm, heavy blanket enveloping you, making travel quite uncomfortable as it can quickly drain your energy and require frequent hydration breaks.

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 81%, 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	27°C (80°F)	2 mm (0.1 inches)	70%	very high
February Weather	28°C (82°F)	1 mm (0.0 inches)	68%	extreme
March Weather	29°C (84°F)	2 mm (0.1 inches)	64%	extreme
April Weather	30°C (86°F)	18 mm (0.7 inches)	67%	extreme
May Weather	29°C (84°F)	174 mm (6.9 inches)	74%	extreme
June Weather	28°C (82°F)	241 mm (9.5 inches)	78%	extreme
July Weather	28°C (83°F)	75 mm (3.0 inches)	81%	extreme
August Weather	28°C (83°F)	175 mm (6.9 inches)	82%	extreme
September Weather	28°C (82°F)	278 mm (10.9 inches)	80%	extreme
October Weather	27°C (81°F)	266 mm (10.5 inches)	81%	extreme
November Weather	27°C (81°F)	49 mm (1.9 inches)	80%	very high
December Weather	27°C (80°F)	2 mm (0.1 inches)	75%	very high