Weather of Brazil in December takes center stage as the festive season sets in, bringing with it a mix of warm temperatures and rainy days. The country’s largest cities, including Rio de Janeiro, São Paulo, and Brasília, experience a range of weather conditions, making it an exciting time for tourists and locals alike.
The December weather has a significant impact on Brazil’s festive season traditions, with holidays like Christmas and New Year’s being affected by the weather. Brazilians adapt to the weather by adjusting their holiday plans and decorations, and the tourism industry also feels the effects of the weather in December.
Weather Conditions in Brazil’s Largest Cities in December

December is a tropical summer month in Brazil, characterized by high temperatures and high humidity levels across the country. In contrast to other months, December is also one of the wettest months of the year, with most of Brazil experiencing above-average rainfall. However, each of Brazil’s largest cities has its unique set of weather conditions that set it apart from others.
Weather Conditions in Large Cities
The weather conditions in cities like Rio de Janeiro, São Paulo, and Brasília tend to be quite different from each other during December. This is due to their geographical locations, proximity to the ocean, and the prevailing wind patterns during this time of the year. The average temperature in these cities during December ranges from the mid-twenties to mid-thirties (Celsius), with the humidity levels often reaching 80% or higher.
| City | Temperature (Average High, Celsius) | Temperature (Average Low, Celsius) | Average Precipitation (mm) | Average Humidity (%) |
|---|---|---|---|---|
| Rio de Janeiro | 28°C | 22°C | 190mm | 80% |
| São Paulo | 26°C | 18°C | 140mm | 75% |
| Brasília | 26°C | 16°C | 160mm | 70% |
Rainy Days and Local Preparations
The rainy days in December vary from city to city, with some experiencing more frequent and intense rainfall than others. In Rio de Janeiro, for instance, the city receives an average of 18 rainy days throughout the month, with most of the rainfall occurring in the evening or late at night. In São Paulo, the rainy days average around 12, with most of the rainfall occurring in the afternoon.
In Brasília, the rainiest days tend to occur towards the end of the month, with some days receiving as much as 30mm of rainfall.
Locals’ Preparations for Rainy Days, Weather of brazil in december
As one can expect, the locals in these cities have adapted to the rainy days during December. In Rio de Janeiro, for instance, the residents are well-prepared to face the rain and often have umbrellas, raincoats, and galoshes at the ready. In São Paulo, the residents tend to stay indoors during the rain, catching up on their favorite TV shows, reading books, or playing board games.
Outdoor Activities Despite the Rain
Despite the rain, there are still plenty of outdoor activities that one can enjoy in these cities. In Rio de Janeiro, for instance, visitors can explore the city’s famous museums and art galleries, visit the iconic Christ the Redeemer statue (preferably from a safe distance), or visit the vibrant neighborhoods of Santa Teresa and Lapa.
Similarly, in São Paulo, visitors can visit the city’s famous Paulista Avenue, explore the São Paulo Museum or the Municipal Theater, or simply take a stroll through the beautiful Park Ibirapuera.
Brasília
In Brasília, visitors can visit the impressive National Congress building, explore the beautiful Catedral Metropolitana or the vibrant shopping district of Conjunto Nacional.
Sunrise at the Paranoá Lake, with the iconic Monument of the Indigenous in the background, is a must-see for nature lovers and photographers.
Last Point: Weather Of Brazil In December

As we reflect on the weather of Brazil in December, it’s clear that the country’s festive season is shaped by the weather. From the warm temperatures to the rainy days, December is a unique time in Brazil that brings both challenges and opportunities for tourists and locals. With its rich culture and exciting weather, Brazil is a destination that’s not to be missed in December.
FAQ Compilation
What is the average temperature in December in Rio de Janeiro?
The average temperature in Rio de Janeiro in December is around 22°C (72°F).
Are there any outdoor activities that can be done in São Paulo in December despite the rain?
Yes, there are many outdoor activities that can be done in São Paulo in December, such as visiting the city’s many museums and galleries, or taking a stroll through one of the city’s many parks and gardens.
How does climate change affect the weather in Brazil in December?
Climate change is expected to lead to warmer temperatures and changing precipitation patterns in Brazil in December, which can have a significant impact on the country’s agriculture and water resources.