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October Weather in San Salvador, Argentina

Last updated: August 22, 2025

The average temperature in San Salvador, Argentina during October is a pleasant 19°C (66°F). However, temperatures can range from a cool 3°C (37°F) to a sweltering 38°C (100°F). Expect around 104 mm (4.1 in) of precipitation spread over 9 days, with an average humidity level of 59%.

October Temperature in San Salvador

In October in San Salvador, the average temperature is 19°C (66°F). Maximums can reach 38°C (100°F), while minimums can drop as low as 3°C (37°F). Be prepared for a diverse range of temperatures when traveling to San Salvador during this month.

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

The chart illustrates October temperature patterns in San Salvador, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Salvador, October typically has an average temperature of 19°C (66°F), with highs reaching up to 38°C (100°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec777572675955545761667275
Data source: Temperature data for San Salvador 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 Salvador

In San Salvador in October, the precipitation amount is 104 mm (4.1 in) over the course of 9 days.

October Precipitation Trends in San Salvador

The chart displays monthly precipitation patterns in San Salvador, 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 Salvador, October typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec126928410414098669210110484100
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in San Salvador

In San Salvador in October, humidity is 59%. With an average temperature of 19°C (66°F), this humidity feels like a mild cloak wrapping around you while traveling, creating a pleasant yet refreshing atmosphere that invites you to explore the surroundings without feeling overly sticky or uncomfortable.

October Average Humidity in San Salvador

This chart illustrates the average monthly humidity levels in San Salvador, 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 Salvador is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%57%69%78%82%81%66%54%61%59%58%68%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in San Salvador

In San Salvador in October, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in San Salvador.

Maximum UV Index Levels in San Salvador for October

The chart shows the monthly maximum UV Index (UVI) for San Salvador 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 Salvador typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151312854569111314
Data source: San Salvador 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 Salvador Compares to Other Months

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

This table compares monthly weather conditions in San Salvador, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)126 mm (4.9 inches)59%extreme
February Weather24°C (75°F)92 mm (3.6 inches)56%extreme
March Weather22°C (72°F)84 mm (3.3 inches)69%extreme
April Weather20°C (67°F)104 mm (4.1 inches)78%very high
May Weather15°C (60°F)139 mm (5.5 inches)82%moderate
June Weather13°C (55°F)98 mm (3.9 inches)81%moderate
July Weather12°C (54°F)66 mm (2.6 inches)66%moderate
August Weather14°C (57°F)92 mm (3.6 inches)54%high
September Weather16°C (61°F)101 mm (4.0 inches)60%very high
October Weather19°C (66°F)104 mm (4.1 inches)59%extreme
November Weather22°C (72°F)84 mm (3.3 inches)57%extreme
December Weather24°C (76°F)100 mm (3.9 inches)68%extreme

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