Weather in Brazil for December 2026
In general, the average temperature in Brazil at the beginning of December is 30.3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 29.1 °C by the end of December.
Brazil in December brings notable rainfall, with an average of 18 rainy days and a total precipitation of 177.2 mm.
Is December a good time to visit Brazil? check out the best time to travel to Brazil page.
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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 | 33° /20° | 0.1 mm | 9 | |
| 2 Dec. |  Light rain | 32° /21° | 7 mm | 10 | |
| 3 Dec. | Light rain | 28° /21° | 8.8 mm | 8 | |
| 4 Dec. | Patchy rain possible | 27° /18° | 0.7 mm | 8 | |
| 5 Dec. | Light rain shower | 28° /17° | 1.9 mm | 8 | |
| 6 Dec. | Patchy light rain | 31° /19° | 1.3 mm | 9 | |
| 7 Dec. | Light rain | 33° /21° | 8.5 mm | 9 | |
| 8 Dec. | Light rain | 31° /21° | 3.6 mm | 9 | |
| 9 Dec. |  Moderate rain | 22° /19° | 13 mm | 7 | |
| 10 Dec. | Moderate rain | 27° /19° | 11.6 mm | 8 | |
| 11 Dec. | Light rain | 27° /19° | 3.3 mm | 9 | |
| 12 Dec. | Moderate rain | 27° /18° | 11.8 mm | 8 | |
| 13 Dec. | Moderate rain | 27° /18° | 20.5 mm | 8 | |
| 14 Dec. | Light rain | 26° /19° | 7.9 mm | 8 | |
| 15 Dec. | Light rain | 30° /20° | 3.4 mm | 9 | |
| 16 Dec. |  Patchy light rain with thunder | 31° /21° | 3.9 mm | 9 | |
| 17 Dec. | Patchy rain possible | 29° /18° | 0.8 mm | 8 | |
| 18 Dec. | Patchy rain possible | 30° /18° | 0.1 mm | 9 | |
| 19 Dec. | Patchy rain possible | 30° /18° | 0.2 mm | 8 | |
| 20 Dec. | Light rain | 28° /19° | 3.6 mm | 8 | |
| 21 Dec. | Light rain | 31° /19° | 4.3 mm | 10 | |
| 22 Dec. | Patchy rain possible | 28° /20° | 1.5 mm | 9 | |
| 23 Dec. | Light rain | 30° /20° | 3.3 mm | 9 | |
| 24 Dec. | Patchy rain possible | 30° /20° | 1.4 mm | 9 | |
| 25 Dec. |  Moderate or heavy rain shower | 32° /21° | 7.3 mm | 9 | |
| 26 Dec. | Moderate rain | 29° /21° | 16.3 mm | 8 | |
| 27 Dec. | Moderate or heavy rain shower | 28° /20° | 6 mm | 8 | |
| 28 Dec. | Moderate rain at times | 30° /20° | 5.3 mm | 9 | |
| 29 Dec. | Moderate or heavy rain shower | 30° /22° | 6.2 mm | 8 | |
| 30 Dec. |  Heavy rain at times | 27° /20° | 6.5 mm | 6 | |
| 31 Dec. | Patchy light rain with thunder | 28° /19° | 7.2 mm | 8 | |
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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.