São Carlos Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit São Carlos.
Climate overview of São Carlos
São Carlos, São Paulo State, Brazil, enjoys a steady climate throughout the year, with daytime temperatures typically around 29°C (84°F). October is the warmest month at 30°C (86°F), while June is the coolest at 26°C (79°F).
Rainfall is high, totalling around 1431 mm (56 in) per year. January is the wettest month and July the driest. The city also experiences distinct dry (June to August) and wet (November to February) seasons. The most sunshine falls in March, with an average of 9.6 hours of daily sunshine.
São Carlos Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in São Carlos - and find the best time to visit.
Monthly Temperature in São Carlos
The temperature in São Carlos remains steady throughout the year, providing a consistently very warm climate. Average maximum daytime temperatures range from a very warm 30°C (86°F) in October, the warmest time of the year, to a comfortable 26°C (79°F) during cooler months like June.
At night, you can expect temperatures ranging from 20°C (68°F) in October to around 13°C (55°F) during June.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in São Carlos
São Carlos has a relatively rainy climate with high precipitation levels, averaging 1431 mm (56 in) of rainfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, January it receives heavy rainfall, averaging 267 mm (11 in) of precipitation, recorded across 20 rainy days. In contrast, the driest month July brings less rainfall, with 27 mm (1.1 in) over 6 rainy days. For more details, please visit our São Carlos 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 São Carlos
While the amount of sunshine in São Carlos varies throughout the year, all seasons offer their own charm. Enjoy up to 9.6 hours of daily sun in March, and experience slightly darker atmosphere in June, with about 7.0 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in São Carlos by Month
The relative humidity is high throughout the year in São Carlos.
The city experiences its highest humidity in January, reaching 75%. In August, the humidity drops to its lowest level at 51%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit São Carlos
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May, June, July and August
- Warmest weather: January, February, March, April, September, October, November and December
- Most sunshine: March
- Fewer rainy days: May, June, July, August and September
- Wettest months: January, February, March, October, November and December, when rainfall is highest.
- Seasonal pattern: Distinct dry (June to August) and wet (November to February) seasons
Frequently asked questions about the climate in São Carlos
What is the best time to visit São Carlos?
April, May, June, July and August typically offer the most optimal weather in São Carlos. In contrast, January, February and December tend to have less optimal conditions. São Carlos has distinct dry (June to August) and wet (November to February) seasons.
What temperatures can I expect in São Carlos?
Daytime highs range from 26°C (79°F) in June to 30°C (86°F) in October. Nighttime lows range from 13°C (55°F) to 20°C (68°F). Temperatures stay relatively stable year-round.
How much rain does São Carlos get?
Annual rainfall is around 1431 mm (56 in). January is the wettest month with 267 mm (11 in), while July is the driest with 27 mm (1.1 in).
How sunny is São Carlos?
São Carlos receives around 2,810 hours of sunshine per year. March is the sunniest month with 288 hours, while June is the cloudiest with just 209 hours. Overall, São Carlos enjoys abundant sunshine.
São Carlos 3-Day Forecast
São Carlos on the map
São Carlos 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.