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October Weather in Buenos Aires, Peru

Last updated: August 27, 2025

In Buenos Aires, Peru, the average temperature in October is a pleasant 21°C (70°F), inviting you to explore the beauty of the region. Expect minimums of 14°C (58°F) and delightful highs reaching up to 31°C (88°F). During this time, anticipate 34 mm (1.3 in) of precipitation spread over approximately 8 days, with an average humidity of 77% creating a refreshing atmosphere.

October Temperature in Buenos Aires

In October in Buenos Aires, the average temperature is 21°C (70°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop to as low as 14°C (58°F). This pleasant climate makes it an ideal time for travel and outdoor activities.

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 21°C (70°F), with highs reaching up to 31°C (88°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec767776757370686868707073
Data source: Temperature data for Buenos Aires generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Buenos Aires

In Buenos Aires in October, the precipitation amount is 34 mm (1.3 in) over a span of 8 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 34 mm (1.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec952334241515011986343987
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Buenos Aires

In Buenos Aires in October, humidity is 77%. With an average temperature of 21°C (70°F), this humidity feels like a warm, slightly sticky embrace, making travel invigorating yet slightly uncomfortable as you navigate the vibrant streets and outdoor attractions.

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 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%87%86%89%84%71%71%75%77%79%86%
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 an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. 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 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151517161412121215151414
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.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)95 mm (3.7 inches)89%extreme
February Weather25°C (77°F)233 mm (9.2 inches)87%extreme
March Weather25°C (77°F)424 mm (16.7 inches)87%extreme
April Weather24°C (76°F)151 mm (5.9 inches)86%extreme
May Weather23°C (74°F)50 mm (2.0 inches)89%extreme
June Weather21°C (71°F)11 mm (0.4 inches)84%extreme
July Weather20°C (69°F)8 mm (0.3 inches)71%extreme
August Weather20°C (68°F)8 mm (0.3 inches)71%extreme
September Weather20°C (69°F)6 mm (0.2 inches)75%extreme
October Weather21°C (70°F)34 mm (1.3 inches)77%extreme
November Weather21°C (71°F)39 mm (1.5 inches)79%extreme
December Weather23°C (73°F)87 mm (3.4 inches)86%extreme

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