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October Weather in San Justo, Argentina

Last updated: August 22, 2025

In San Justo, Argentina, the average temperature in October is a comfortable 18°C (65°F), with extremes ranging from a chilly 4°C (39°F) to a warm 37°C (99°F). Expect 112 mm (4.4 in) of precipitation over about 9 days, accompanied by an average humidity of 63%. Whether you're enjoying a sunny day or preparing for a rainy one, this vibrant locale has something for everyone.

October Temperature in San Justo

In October, in San Justo, the average temperature is 18°C (65°F). Maximums can reach 37°C (99°F), while minimums can be as low as 4°C (39°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates October temperature patterns in San Justo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Justo, October typically has an average temperature of 18°C (65°F), with highs reaching up to 37°C (99°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec777571675954535660657275
Data source: Temperature data for San Justo 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 Justo

In San Justo in October, the total precipitation amount is 112 mm (4.4 in), occurring over a span of 9 days.

October Precipitation Trends in San Justo

The chart displays monthly precipitation patterns in San Justo, 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 Justo, October typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1251049594977259819011272128
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in San Justo

In San Justo in October, humidity is 63%. With an average temperature of 18°C (65°F), this humidity feels like a comfortable embrace, making for an enjoyable travel experience that allows for leisurely exploration without feeling overly sticky or oppressive.

October Average Humidity in San Justo

This chart illustrates the average monthly humidity levels in San Justo, 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 Justo is approximately 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec54%61%69%79%85%82%69%65%70%63%61%63%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in San Justo

In San Justo 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 Justo.

Maximum UV Index Levels in San Justo for October

The chart shows the monthly maximum UV Index (UVI) for San Justo 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 Justo typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151311854468111314
Data source: San Justo 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 Justo Compares to Other Months

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

This table compares monthly weather conditions in San Justo, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)125 mm (4.9 inches)54%extreme
February Weather24°C (75°F)103 mm (4.1 inches)61%extreme
March Weather22°C (71°F)95 mm (3.7 inches)69%extreme
April Weather19°C (67°F)94 mm (3.7 inches)79%very high
May Weather15°C (59°F)97 mm (3.8 inches)85%moderate
June Weather12°C (55°F)72 mm (2.9 inches)82%moderate
July Weather11°C (53°F)59 mm (2.3 inches)69%moderate
August Weather13°C (56°F)81 mm (3.2 inches)65%high
September Weather16°C (61°F)90 mm (3.5 inches)70%very high
October Weather18°C (65°F)112 mm (4.4 inches)63%extreme
November Weather22°C (72°F)71 mm (2.8 inches)60%extreme
December Weather24°C (75°F)128 mm (5.0 inches)63%extreme

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