São Sebastião Climate by Month
São Sebastião has relatively stable weather with warm temperatures.
It also has a notably wet climate with much precipitation.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
The climate in São Sebastião remains fairly constant, offering comfortable temperatures throughout the year. Average daytime temperatures range from a comfortable 28°C in February, the warmest time of the year, to a comfortable 23°C during cooler months like July. At night, temperatures typically average around 18°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
São Sebastião is known for its substantial rainfall, with annual precipitation reaching 1757 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, January receives heavy rainfall, averaging 228 mm of precipitation, recorded across 18 rainy days. In contrast, the drier season, August brings less rainfall, with 78 mm over 10 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
While the amount of sunshine in São Sebastião varies throughout the year, all seasons offer their own charm. Enjoy up to 3.7 hours of daily sun in July, and experience slightly darker atmosphere in October, with about 2.5 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
The best time of year to visit São Sebastião in Brazil
During the months of May, June, July, August, September, October and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Rainy season in São Sebastião occurs in the months of January, February, March, November and December.
February has an average maximum temperature of 28°C and is the warmest month of the year.
The coldest month is July with an average maximum temperature of 23°C.
January tops the wettest month list with 228 mm of rainfall.
August is the driest month with 78 mm of precipitation.
July is the sunniest month with an average of 111 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.