Puerto Iguazú Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Puerto Iguazú.
Climate overview of Puerto Iguazú
Puerto Iguazú Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Puerto Iguazú - and find the best time to visit.
Monthly Temperature in Puerto Iguazú
In Puerto Iguazú, seasonal changes bring about a moderate variation in temperatures. Average daytime temperatures reach a very warm 32°C (90°F) in January. In June, the coolest month of the year, temperatures drop to a comfortable 24°C (75°F).
At night, temperatures range from around 22°C (72°F) in January to 13°C (55°F) in June.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Puerto Iguazú
Puerto Iguazú has a relatively rainy climate with high precipitation levels, averaging 1932 mm (76 in) of rainfall annually. Puerto Iguazú experiences moderate seasonal variation in rainfall, with monthly averages ranging from 207 mm (8.1 in) in October, the wettest month, and 97 mm (3.8 in) in August, the driest month. For more details, please visit our Puerto Iguazú Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Puerto Iguazú
Puerto Iguazú can be enjoyed more throughout the sunniest month of December under a blue sky, with approximately 7.0 hours of sunshine daily. In contrast, the city experiences much darker days in September, with only 3.5 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Puerto Iguazú by Month
The city experiences its highest humidity in June, reaching 89%. In November, the humidity drops to its lowest level at 75%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Puerto Iguazú
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, March, November and December
- Most sunshine: December
- Seasonal pattern: A distinct rainy season from December to February
Frequently asked questions about the climate in Puerto Iguazú
What is the best time to visit Puerto Iguazú?
August typically offers the most optimal weather in Puerto Iguazú. In contrast, February, October and December tend to have less optimal conditions. Puerto Iguazú has a distinct rainy season from December to February.
What temperatures can I expect in Puerto Iguazú?
Daytime highs range from 24°C (75°F) in June to 32°C (90°F) in January. Nighttime lows range from 13°C (55°F) to 22°C (72°F).
How much rain does Puerto Iguazú get?
Annual rainfall is around 1932 mm (76 in). October is the wettest month with 207 mm (8.1 in), while August is the driest with 97 mm (3.8 in).
How sunny is Puerto Iguazú?
Puerto Iguazú receives around 1,877 hours of sunshine per year. December is the sunniest month with 210 hours, while September is the cloudiest with just 106 hours.
Puerto Iguazú 3-Day Forecast
Puerto Iguazú on the map
Puerto Iguazú is highlighted - select any city to see its climate.
Popular this month
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) 
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