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August in Posadas brings high temperatures, with daytime highs of 25°C (77°F) and nights around 13°C (55°F). Rainfall is at its lowest this month, making it one of the more reliable months to be outdoors.
So this is a great month to visit if you prefer dry days with pleasant temperatures.
Pick a month to see the average temperature, rainfall and sunshine in Posadas - and find the best time to visit.
Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in August →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Comfortable temperatures call for an easy wardrobe in August. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Posadas climate overview or explore weather in Argentina.
Where to go in August - average daytime high across popular destinations.
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