October Weather in Posadas, Argentina

Last updated: August 22, 2025

In October, the average temperature in Posadas, Argentina hovers around 23°C (73°F), offering a mild climate that invites outdoor exploration. However, be prepared for a temperature range that can swing from a cool 10°C (51°F) to a scorching 40°C (104°F). With 175 mm (6.9 in) of precipitation spread over 12 days, occasional showers may grace your visit, while an average humidity of 58% adds a touch of warmth to the air.

October Temperature in Posadas

In October in Posadas, the average temperature is 23°C (73°F), with maximums reaching up to 40°C (104°F) and minimums dropping as low as 10°C (51°F). Travelers should be prepared for a wide range of temperatures during this time.

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

The chart illustrates October 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, October typically has an average temperature of 23°C (73°F), with highs reaching up to 40°C (104°F) and lows dropping to around 10°C (51°F).

Data source: Temperature data for Posadas generated using information from the Copernicus Climate Change Service.

October Precipitation in Posadas

In Posadas in October, the precipitation amount is 175 mm (6.9 in) accumulated over the course of 12 days.

October Precipitation Trends in Posadas

The chart displays monthly precipitation patterns in Posadas, 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 Posadas, October typically receives around 175 mm (6.9 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in Posadas

In Posadas in October, humidity is 58%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, creating a gentle stickiness that makes you appreciate the shade while exploring the vibrant streets.

October Average Humidity in Posadas

This chart illustrates the average monthly humidity levels in Posadas, 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 Posadas is approximately 58%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Posadas

In Posadas 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 Posadas.

Maximum UV Index Levels in Posadas for October

The chart shows the monthly maximum UV Index (UVI) for Posadas 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 Posadas typically reaches 13, which falls under the extreme exposure category.

Data source: Posadas 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 Posadas Compares to Other Months

Weather in Posadas varies notably across the year, with each month offering distinct climate conditions. This page compares October’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 October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	156 mm (6.2 inches)	77%	extreme
February Weather	26°C (79°F)	91 mm (3.6 inches)	71%	extreme
March Weather	25°C (77°F)	106 mm (4.2 inches)	74%	extreme
April Weather	22°C (72°F)	122 mm (4.8 inches)	82%	very high
May Weather	19°C (66°F)	211 mm (8.3 inches)	82%	high
June Weather	17°C (63°F)	94 mm (3.7 inches)	73%	moderate
July Weather	16°C (61°F)	80 mm (3.1 inches)	67%	high
August Weather	18°C (65°F)	72 mm (2.8 inches)	49%	high
September Weather	21°C (70°F)	101 mm (4.0 inches)	54%	very high
October Weather	23°C (73°F)	175 mm (6.9 inches)	58%	extreme
November Weather	24°C (76°F)	142 mm (5.6 inches)	69%	extreme
December Weather	26°C (79°F)	82 mm (3.2 inches)	84%	extreme