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August Weather in Posadas, Argentina

Last updated: August 22, 2025

In August, the average temperature in Posadas, Argentina hovers around 18°C (65°F). However, be prepared for extremes, as temperatures can drop to a chilly 1°C (33°F) or soar up to a scorching 37°C (99°F). With an average precipitation of 72 mm (2.8 in) over about 5 days, and humidity levels at 49%, it's wise to pack accordingly for this vibrant climate!

August Temperature in Posadas

In August in Posadas, the average temperature is 18°C (65°F). Maximums can reach 37°C (99°F), while minimums can drop to as low as 1°C (33°F). Be prepared for a wide range of temperatures when traveling during this time.

August Weather in Posadas: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Posadas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Posadas, August typically has an average temperature of 18°C (65°F), with highs reaching up to 37°C (99°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec817977726563616469737679
Data source: Temperature data for Posadas 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 Posadas

In Posadas in August, the precipitation amount is 72 mm (2.8 in) over a span of 5 days.

August Precipitation Trends in Posadas

The chart displays monthly precipitation patterns in Posadas, 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 Posadas, August typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec1569110612221194807210117514282
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Posadas

In Posadas in August humidity is 49%. With an average temperature of 18°C (65°F), this humidity feels like a refreshing breeze, making it pleasant for traveling and exploring the sights without feeling overheated.

August Average Humidity in Posadas

This chart illustrates the average monthly humidity levels in Posadas, 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 Posadas is approximately 49%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%71%74%82%82%73%67%49%54%58%69%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Posadas

In Posadas 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 Posadas.

Maximum UV Index Levels in Posadas for August

The chart shows the monthly maximum UV Index (UVI) for Posadas 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 Posadas typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141310656710131414
Data source: Posadas 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 Posadas Compares to Other Months

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

This table compares monthly weather conditions in Posadas, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)156 mm (6.2 inches)77%extreme
February Weather26°C (79°F)91 mm (3.6 inches)71%extreme
March Weather25°C (77°F)106 mm (4.2 inches)74%extreme
April Weather22°C (72°F)122 mm (4.8 inches)82%very high
May Weather19°C (66°F)211 mm (8.3 inches)82%high
June Weather17°C (63°F)94 mm (3.7 inches)73%moderate
July Weather16°C (61°F)80 mm (3.1 inches)67%high
August Weather18°C (65°F)72 mm (2.8 inches)49%high
September Weather21°C (70°F)101 mm (4.0 inches)54%very high
October Weather23°C (73°F)175 mm (6.9 inches)58%extreme
November Weather24°C (76°F)142 mm (5.6 inches)69%extreme
December Weather26°C (79°F)82 mm (3.2 inches)84%extreme

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