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August Weather in San Jose, Argentina

Last updated: August 22, 2025

In August, the average temperature in San Jose, Argentina settles at a comfortable 11°C (53°F). While you might experience minimum lows of -3°C (27°F), the mercury can soar to a maximum of 32°C (91°F) on warmer days. Expect some light rain with an average precipitation of 6 mm (0.2 in) spread across 1 day. With an average humidity level of 42%, the climate remains relatively pleasant.

August Temperature in San Jose

In August in San Jose, the average temperature is 11°C (53°F). Maximums can reach 32°C (91°F), and minimums can be as low as -3°C (27°F). Be prepared for a wide range of temperatures if you're planning to travel during this month!

August Weather in San Jose: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in San Jose, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jose, August typically has an average temperature of 11°C (53°F), with highs reaching up to 32°C (91°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec716865615448485258636769
Data source: Temperature data for San Jose 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.

August Precipitation in San Jose

In San Jose in August, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

August Precipitation Trends in San Jose

The chart displays monthly precipitation patterns in San Jose, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In San Jose, August typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec1001338763341566284984117
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in San Jose

In San Jose in August humidity is 42%. With an average temperature of 11°C (53°F), this humidity feels like a crisp, refreshing atmosphere that's perfect for exploring the outdoors, making it ideal for travelers who enjoy a cool and comfortable climate.

August Average Humidity in San Jose

This chart illustrates the average monthly humidity levels in San Jose, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in San Jose is approximately 42%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in San Jose

In San Jose in August, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in San Jose.

Maximum UV Index Levels in San Jose for August

The chart shows the monthly maximum UV Index (UVI) for San Jose in August, 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 August, the maximum UV index in San Jose typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16141310756710131515
Data source: San Jose August 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 August Weather in San Jose Compares to Other Months

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

This table compares monthly weather conditions in San Jose, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (71°F)100 mm (3.9 inches)63%extreme
February Weather20°C (68°F)133 mm (5.2 inches)66%extreme
March Weather18°C (65°F)87 mm (3.4 inches)68%extreme
April Weather16°C (61°F)63 mm (2.5 inches)83%very high
May Weather12°C (54°F)34 mm (1.3 inches)82%high
June Weather9°C (48°F)14 mm (0.6 inches)72%moderate
July Weather9°C (48°F)6 mm (0.3 inches)57%high
August Weather11°C (53°F)6 mm (0.2 inches)42%high
September Weather14°C (58°F)28 mm (1.1 inches)51%very high
October Weather17°C (63°F)49 mm (1.9 inches)47%extreme
November Weather19°C (67°F)84 mm (3.3 inches)58%extreme
December Weather21°C (69°F)117 mm (4.6 inches)61%extreme

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