Itatiaia Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Itatiaia.
Climate overview of Itatiaia
Itatiaia, Rio de Janeiro State, Brazil, enjoys a steady climate throughout the year, with daytime temperatures typically around 26°C (79°F). February is the warmest month at 29°C (84°F), while July is the coolest at 23°C (73°F).
With around 2347 mm (92 in) of annual rainfall, Itatiaia has a notably wet climate. However, this rainfall is not evenly distributed, the city has a distinct rainy season from October to March. The wettest month is January.
Itatiaia Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Itatiaia - and find the best time to visit.
Monthly Temperature in Itatiaia
The temperature in Itatiaia remains steady throughout the year, providing a consistently comfortable climate. Average daytime temperatures reach a comfortable 29°C (84°F) in February. In July, the coolest month of the year, temperatures drop to a comfortable 23°C (73°F).
At night, temperatures range from around 18°C (64°F) in February to 11°C (52°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Itatiaia
Itatiaia has a relatively rainy climate with high precipitation levels, averaging 2347 mm (92 in) of rainfall annually. Itatiaia can be quite wet during January, receiving approximately 393 mm (15 in) of precipitation over 22 rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 47 mm (1.9 in) of precipitation spread across 8 rainy days. For more details, please visit our Itatiaia Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Itatiaia
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July and August
- Warmest weather: January, February, March and December
- Fewest rainy days: June, July and August
- Wettest months: January, February, March, November and December, when rainfall is highest.
- Seasonal pattern: A distinct rainy season from October to March
Frequently asked questions about the climate in Itatiaia
What is the best time to visit Itatiaia?
May, June, July and August typically offer the most optimal weather in Itatiaia. In contrast, January, February, March, November and December tend to have less optimal conditions. Itatiaia has a distinct rainy season from October to March.
What temperatures can I expect in Itatiaia?
Daytime highs range from 23°C (73°F) in July to 29°C (84°F) in February. Nighttime lows range from 11°C (52°F) to 18°C (64°F). Temperatures stay relatively stable year-round.
How much rain does Itatiaia get?
Annual rainfall is around 2347 mm (92 in). January is the wettest month with 393 mm (15 in), while July is the driest with 47 mm (1.9 in).
Itatiaia 3-Day Forecast
Itatiaia on the map
Itatiaia is highlighted - select any city to see its climate.
Popular this month
Where to go in August - 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.