Puerto Iguazú in August averages 26°C (79°F) during the day and 14°C (57°F) at night. This is the driest month of the year.
If you're inclined towards comfortable temperatures and drier conditions, August is a good time to visit Puerto Iguazú.
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Pick a month to see the average temperature, rainfall and sunshine in Puerto Iguazú - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Puerto Iguazú typically stay consistent throughout August, with daily highs averaging around 26°C (79°F). Nights are cool, with lows typically ranging from 12°C (54°F) to 15°C (59°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Puerto Iguazú spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Puerto Iguazú.
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).
Warm but pleasant conditions in Puerto Iguazú in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the month
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Puerto Iguazú climate overview or explore weather in Argentina.
Where to go in August - average daytime high across popular destinations.
Córdoba
21°C (70°F) Salta20°C (68°F) Villa Carlos Paz19°C (66°F) Mendoza17°C (63°F) Buenos Aires
18°C (64°F) Mar del Plata15°C (59°F) San Carlos de Bariloche
6°C (43°F) San Martín de los Andes6°C (43°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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