Weatheo

Posadas Weather by Month

Average temperatures, rainfall and humidity for Posadas, Argentina, month by month, built from OpenWeather’s historical records. Use it to see what a typical Posadas month looks like before you travel — then check the live Posadas forecast for the days ahead.

Warmest month

February

33°C average high

Coolest month

July

12°C average low

Wettest month

April

82 mm of rain

Driest month

July

20 mm of rain

Average temperature and rainfall in Posadas by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January33°C22°C13°C / 42°C
45 mm
67%10 km/h
February33°C22°C5°C / 41°C
40 mm
67%10 km/h
March31°C20°C11°C / 39°C
56 mm
70%10 km/h
April28°C18°C6°C / 36°C
82 mm
74%9 km/h
May23°C14°C3°C / 34°C
46 mm
79%10 km/h
June22°C12°C-1°C / 31°C
33 mm
79%10 km/h
July22°C12°C-1°C / 33°C
20 mm
75%11 km/h
August24°C13°C-2°C / 37°C
31 mm
69%11 km/h
September27°C15°C4°C / 40°C
42 mm
70%12 km/h
October28°C17°C8°C / 41°C
67 mm
71%11 km/h
November30°C19°C6°C / 40°C
61 mm
66%11 km/h
December32°C21°C13°C / 40°C
71 mm
68%10 km/h

Best time to visit Posadas

The most comfortable time to visit Posadas is generally May and July to August, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around April, totalling about 594 mm a year.

Travellers who prefer heat should aim for February, when highs average 33°C. April is the month to avoid if rain would spoil your plans — it averages 82 mm, roughly 4× the rainfall of the driest month (July).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Posadas forecast for what is happening now.

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