Weather in Brazil for December 2025
Until now, December 2025 in Brazil has been nearly identical to the historical average, with a temperature of 28.8 °C (showing only a slight deviation of 0.4 °C).
The forecast for the upcoming days in Brazil predicts a temperature of 30.8 °C, which is slightly above the historical average.
In general, the average temperature in Brazil at the beginning of December is 28.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 32.9 °C by the end of December.
Brazil experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 148.7 mm.
Temperatures
Rain 🌧️
Brazil Weather December
What’s the Weather Like in Brazil This December?
Temperatures trend during December in Brazil
December weather in Brazil day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Patchy rain possible | 27° /22° | 2.8 mm | 8 | |
| 2 Dec. | Patchy rain possible | 31° /22° | 4.1 mm | 9 | |
| 3 Dec. | Patchy rain possible | 27° /22° | 6.9 mm | 8 | |
| 4 Dec. | Light rain shower | 26° /22° | 23.4 mm | 8 | |
| 5 Dec. | Light rain shower | 26° /21° | 7 mm | 8 | |
| 6 Dec. | Patchy rain possible | 29° /22° | 0.6 mm | 9 | |
| 7 Dec. | Patchy rain possible | 31° /22° | 0.5 mm | 9 | |
| 8 Dec. | Patchy rain possible | 30° /23° | 1.3 mm | 9 | |
| 9 Dec. | Light rain shower | 28° /22° | 4 mm | 8 | |
| 10 Dec. | Patchy rain possible | 28° /22° | 4.8 mm | 8 | |
| 11 Dec. | Light rain shower | 27° /21° | 5.6 mm | 8 | |
| 12 Dec. | Patchy rain possible | 27° /21° | 2.3 mm | 8 | |
| 13 Dec. |  Partly cloudy | 26° /21° | 2.3 mm | 8 | |
| 14 Dec. |  Sunny | 27° /21° | 2.8 mm | 8 | |
| 15 Dec. | Patchy rain possible | 31° /22° | 1.6 mm | 9 | |
| 16 Dec. | Partly cloudy | 32° /23° | 6.2 mm | 9 | |
| 17 Dec. | Sunny | 27° /22° | 6.8 mm | 8 | |
| 18 Dec. |  Moderate rain | 21° /20° | 9.1 mm | 0.6 | |
| 19 Dec. | Patchy rain possible | 26° /20° | 0.4 mm | 2.7 | |
| 20 Dec. | Patchy rain possible | 28° /22° | 0.7 mm | 3 | |
| 21 Dec. | Sunny | 29° /21° | 0 mm | 3.6 | |
| 22 Dec. | Sunny | 30° /22° | 0 mm | 1.3 | |
| 23 Dec. | Sunny | 33° /23° | 0 mm | 10 | |
| 24 Dec. | Sunny | 34° /25° | 0 mm | 10 | |
| 25 Dec. | Sunny | 34° /25° | 0 mm | 10 | |
| 26 Dec. | Sunny | 34° /24° | 0 mm | 10 | |
| 27 Dec. | Sunny | 30° /24° | 0 mm | 10 | |
| 28 Dec. | Partly cloudy | 32° /23° | 0 mm | 10 | |
| 29 Dec. | Sunny | 34° /24° | 0 mm | 10 | |
| 30 Dec. | Sunny | 33° /26° | 0 mm | 10 | |
| 31 Dec. | Patchy rain possible | 33° /25° | 0.9 mm | 9 | |
| Next | |||||
Guide for Brazil in December
In December, Brazil experiences varying weather conditions across different regions. In the southern part of the country, including cities like Sao Paulo and Rio de Janeiro, the beginning of December sees warm and pleasant temperatures, with average highs around 28° and lows around 20°.
However, as the month progresses, the temperatures tend to rise slightly, with highs reaching around 30° and lows around 22°. This region also experiences occasional rain showers, which contribute to the lush greenery and vibrant flora.
Moving towards the northern regions of Brazil, such as Manaus and the Amazon Rainforest, December marks the beginning of the rainy season. At the start of the month, temperatures typically range from 32° to 24°, with high humidity.
Towards the end of December, the rainfall intensifies, leading to increased humidity and temperatures hovering around 34° during the day and 26° at night.
In coastal areas like Salvador and Recife, December brings warm and tropical weather, with temperatures ranging from 30° to 24° at the beginning of the month.
As December progresses, the temperatures may rise slightly, reaching around 32° during the day and 26° at night, accompanied by occasional thunderstorms and high humidity.
Overall, December in Brazil offers a diverse range of weather patterns, from warm and sunny conditions to increased rainfall and humidity, providing a unique experience for travelers exploring the country.
Brazil in December - FAQ
Brazil water temperatures in December
The average water temperature of the Atlantic Ocean near Brazil in December is 22 °C. At the beginning of December temperatures are around 21.8 °C; by the end of the month they get warmer and reach 23.1 °C.
- What is the water temperature in Brazil in December?
- The average water temperature in Brazil in December is 22 °C.
- Can you swim in Brazil in December?
- Comfortably warm for most people. Sensitive swimmers might prefer a light rash-guard, but wetsuits are rarely needed.
December rainfall patterns in Brazil
UV exposure in Brazil during December
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