October Weather in San Antonio, Argentina

Last updated: August 22, 2025

In October, the average temperature in San Antonio, Argentina is a pleasant 16°C (61°F). Expect a range from a cool 3°C (37°F) to a warm 32°C (90°F). This month sees about 103 mm (4.1 in) of precipitation spread over 13 days, with an average humidity of 47%. Whether you're packing for a refreshing getaway or planning outdoor activities, be prepared for a bit of everything!

October Temperature in San Antonio

In October in San Antonio, the average temperature is 16°C (61°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 3°C (37°F). This climate makes it a great destination for those seeking a mix of warm days and cooler evenings, perfect for outdoor activities and exploring.

October Weather in San Antonio: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in San Antonio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Antonio, October typically has an average temperature of 16°C (61°F), with highs reaching up to 32°C (90°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec686563595247465055606466
Data source: Temperature data for San Antonio 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 San Antonio

In San Antonio in October, the precipitation amount is 103 mm (4.1 in) spread over a duration of 13 days.

October Precipitation Trends in San Antonio

The chart displays monthly precipitation patterns in San Antonio, 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 San Antonio, October typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec2352102071819743261451103170230
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in San Antonio

In San Antonio in October, humidity is 47%. With an average temperature of 16°C (61°F), this humidity feels like a refreshing breeze that adds a touch of crispness to your travels, making it comfortable for exploring outdoor attractions without too much heaviness in the air.

October Average Humidity in San Antonio

This chart illustrates the average monthly humidity levels in San Antonio, 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 San Antonio is approximately 47%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%66%68%83%82%72%57%42%51%47%58%62%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in San Antonio

In San Antonio 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 San Antonio.

Maximum UV Index Levels in San Antonio for October

The chart shows the monthly maximum UV Index (UVI) for San Antonio 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 San Antonio typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141310756710131515
Data source: San Antonio 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 San Antonio Compares to Other Months

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

This table compares monthly weather conditions in San Antonio, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (68°F)235 mm (9.3 inches)63%extreme
February Weather19°C (66°F)210 mm (8.3 inches)66%extreme
March Weather17°C (63°F)207 mm (8.1 inches)68%extreme
April Weather15°C (60°F)181 mm (7.1 inches)83%very high
May Weather11°C (53°F)97 mm (3.8 inches)82%high
June Weather8°C (47°F)43 mm (1.7 inches)72%moderate
July Weather8°C (46°F)26 mm (1.0 inches)57%high
August Weather10°C (50°F)14 mm (0.5 inches)42%high
September Weather13°C (56°F)51 mm (2.0 inches)51%very high
October Weather16°C (61°F)103 mm (4.1 inches)47%extreme
November Weather18°C (64°F)170 mm (6.7 inches)58%extreme
December Weather19°C (66°F)230 mm (9.0 inches)61%extreme

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