Foz do Iguaçu Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Foz do Iguaçu.
Climate overview of Foz do Iguaçu
The climate in Foz do Iguaçu, Paraná, Brazil, sees a moderate range of temperatures across the year, from 33°C (91°F) in January down to 24°C (75°F) in July.
The city receives considerable rainfall, with around 1900 mm (75 in) annually. October is the wettest month. Sunshine peaks in December, when the city sees around 7.8 hours of sunshine per day.
Foz do Iguaçu Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Foz do Iguaçu — and find the best time to visit.
Monthly Temperature in Foz do Iguaçu
The weather in Foz do Iguaçu changes moderately throughout the year, offering enough variation to appreciate each season. Typically, average maximum daytime temperatures range from a very warm 33°C (91°F) in January to a comfortable 24°C (75°F) in the coolest month, July.
Nights vary from 22°C (72°F) in January to around 13°C (55°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Foz do Iguaçu
Foz do Iguaçu experiences significant rainfall throughout the year, averaging 1900 mm (75 in) of precipitation annually. Foz do Iguaçu offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month October (204 mm (8 in)) and the driest month August (97 mm (3.8 in)) is not too significant. For more details, please visit our Foz do Iguaçu Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Foz do Iguaçu
Foz do Iguaçu offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between December (7.8 hours daily) and September (5.0 hours daily) provides a bit of variety for visitors and residents.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Foz do Iguaçu by Month
The city experiences its highest humidity in May, reaching 86%. In December, the humidity drops to its lowest level at 74%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Foz do Iguaçu
Be prepared for heavier rainfall during January, February, May, September, October, November and December, the wettest period of the year. Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.
Frequently asked questions about the climate in Foz do Iguaçu
What is the best time to visit Foz do Iguaçu?
August typically offers the most optimal weather in Foz do Iguaçu. In contrast, January, October and December tend to have less optimal conditions.
What temperatures can I expect in Foz do Iguaçu?
Daytime highs range from 24°C (75°F) in July to 33°C (91°F) in January. Nighttime lows range from 13°C (55°F) to 22°C (72°F).
How much rain does Foz do Iguaçu get?
Annual rainfall is around 1900 mm (75 in). October is the wettest month with 204 mm (8 in), while August is the driest with 97 mm (3.8 in).
How sunny is Foz do Iguaçu?
Foz do Iguaçu receives around 2,310 hours of sunshine per year. December is the sunniest month with 233 hours, while September is the cloudiest with just 150 hours. Overall, Foz do Iguaçu enjoys abundant sunshine.
Foz do Iguaçu 3-Day Forecast
Foz do Iguaçu 3-Day Forecast
Foz do Iguaçu on the map
Foz do Iguaçu is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
The 5 most tranquil retreats in the Amazon Rainforest, Brazil
Discover top sustainable lodges in the Amazon. Enjoy unique wildlife, eco-friendly stays, and immersive experiences at Anavilhanas, Cristalino, and more.
An alternative way to discover Rio de Janeiro
Don't feel like seeing the traditional tourist sights in Rio de Janeiro? We have made an overview of the sights in Rio de Janeiro that you must see if you want to visit Rio in an alternative way.
Iguazu Falls
Iguazu Falls are among the largest waterfalls on earth. You will be speechless when you see this miracle of mother nature. They are included in the World Heritage List and have also been named one of the seven wonders of the world.