Posadas Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Posadas.

Climate overview of Posadas

Posadas, Misiones, Argentina, experiences moderate temperature changes through the seasons. January is the warmest month with daytime highs of 33°C (91°F), while July is the coolest at 22°C (72°F).

The city has a wet climate, receiving around 1816 mm (71 in) of rainfall per year. Despite the high annual total, it has very warm summers and warm winters. October is the wettest month. Sunshine peaks in December, when the city sees around 9.0 hours of sunshine per day.

Posadas Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Posadas - and find the best time to visit.

Monthly Temperature in Posadas

The climate in Posadas experiences moderate temperature changes, with mild shifts between seasons. On average, daytime temperatures range from a very warm 33°C (91°F) in January to a comfortable 22°C (72°F) in July.

Nighttime temperatures range from 22°C (72°F) in January to 12°C (54°F) in July.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Posadas

Posadas has a relatively rainy climate with high precipitation levels, averaging 1816 mm (71 in) of rainfall annually. The seasons in Posadas bring significant changes in precipitation. The wettest month, October, receives heavy rainfall, with an average of 220 mm (8.7 in) of precipitation. This rainfall is distributed across 10 rainy days.

In contrast, the driest month, August, experiences much less rainfall, totaling 92 mm (3.6 in) over 9 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Posadas Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Posadas

In Posadas, summer days are longer and more sunny, with daily sunshine hours peaking at 9.0 hours in December. As the darker season arrives, the brightness of the sun becomes less. November sees a soft sun for only 5.1 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Encarnación, Paraguay (4 KM, 2 Miles).

Daily hours of sunshine

Data from: Encarnación, Paraguay (4 KM, 2 Miles).

Humidity in Posadas by Month

Best Time to Visit Posadas

The most comfortable overall weather for exploring Posadas is usually found in August. Conditions are generally least comfortable in January.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: August
  • Warmest weather: January, February and December
  • Most sunshine: December
  • Seasonal pattern: Very warm summers and warm winters

Frequently asked questions about the climate in Posadas

What is the best time to visit Posadas?

August typically offers the most optimal weather in Posadas. In contrast, January tends to have less optimal conditions. Posadas has very warm summers and warm winters.

What temperatures can I expect in Posadas?

Daytime highs range from 22°C (72°F) in July to 33°C (91°F) in January. Nighttime lows range from 12°C (54°F) to 22°C (72°F).

How much rain does Posadas get?

Annual rainfall is around 1816 mm (71 in). October is the wettest month with 220 mm (8.7 in), while August is the driest with 92 mm (3.6 in).

How sunny is Posadas?

Posadas receives around 2,366 hours of sunshine per year. December is the sunniest month with 271 hours, while November is the cloudiest with just 153 hours. Overall, Posadas enjoys abundant sunshine.

Posadas 3-Day Forecast

Posadas on the map

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