São João da Boa Vista Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit São João da Boa Vista.
Climate overview of São João da Boa Vista
With consistently stable weather, São João da Boa Vista, São Paulo State, Brazil, sees little seasonal temperature change. Daytime highs average 28°C (82°F), ranging from 29°C (84°F) in February to 25°C (77°F) in July.
With around 1572 mm (62 in) of annual rainfall, São João da Boa Vista has a notably wet climate. However, this rainfall is not evenly distributed — the city has distinct dry (June to August) and wet (November to March) seasons. The wettest month is January.
São João da Boa Vista Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in São João da Boa Vista — and find the best time to visit.
Monthly Temperature in São João da Boa Vista
The climate in São João da Boa Vista remains fairly constant, offering comfortable temperatures throughout the year. 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 25°C (77°F).
At night, temperatures range from around 19°C (66°F) in February to 12°C (54°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in São João da Boa Vista
São João da Boa Vista is known for its substantial rainfall, with annual precipitation reaching 1572 mm (62 in). São João da Boa Vista can be quite wet during January, receiving approximately 283 mm (11 in) of precipitation over 22 rainy days.
In contrast, during the driest month (August), you will experience much drier conditions, with 26 mm (1 in) of precipitation spread across 6 rainy days days. For more details, please visit our São João da Boa Vista 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 São João da Boa Vista
The weather does bring rainfall during this period, between 26 mm (1 in) and 124 mm (4.9 in).
Plan accordingly for January, February, March, November and December, when conditions bring the heaviest precipitation. 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 São João da Boa Vista
What is the best time to visit São João da Boa Vista?
April, May, June, July, August and September typically offer the most optimal weather in São João da Boa Vista. In contrast, January tends to have less optimal conditions. São João da Boa Vista has distinct dry (June to August) and wet (November to March) seasons.
What temperatures can I expect in São João da Boa Vista?
Daytime highs range from 25°C (77°F) in July to 29°C (84°F) in February. Nighttime lows range from 12°C (54°F) to 19°C (66°F). Temperatures stay relatively stable year-round.
How much rain does São João da Boa Vista get?
Annual rainfall is around 1572 mm (62 in). January is the wettest month with 283 mm (11 in), while August is the driest with 26 mm (1 in).
São João da Boa Vista 3-Day Forecast
São João da Boa Vista 3-Day Forecast
São João da Boa Vista on the map
São João da Boa Vista is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Fortaleza
31°C (88°F) Salvador
26°C (79°F) Rio de Janeiro
26°C (79°F) Búzios
25°C (77°F) Sao Paulo23°C (73°F) Paraty23°C (73°F) Florianópolis21°C (70°F) Gramado
19°C (66°F) 
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.