Weather in Brazil for December 2025
In general, the average temperature in Brazil at the beginning of December is 30.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 27.7 °C by the end of December.
Brazil experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 118.7 mm.
Temperatures
Rain 🌧️
Brazil Weather December
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  33° | 2  33° | 3 28° | 4 27° | 5 28° | 6  31° | 7 33° |
| 8 30° | 9 22° | 10  26° | 11 26° | 12 26° | 13  30° | 14 28° |
| 15 30° | 16  32° | 17 32° | 18 32° | 19 33° | 20 29° | 21 30° |
| 22 27° | 23 29° | 24 29° | 25 31° | 26 27° | 27 25° | 28 29° |
| 29 29° | 30  26° | 31 27° |
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Temperatures trend during December in Brazil
December weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Patchy rain possible | 33° /20° | 0.1 mm | 9 | |
| 2 Dec. | Sunny | 33° /21° | 5.8 mm | 10 | |
| 3 Dec. | Sunny | 28° /21° | 12.6 mm | 8 | |
| 4 Dec. | Patchy rain possible | 27° /19° | 0.8 mm | 8 | |
| 5 Dec. | Light rain shower | 28° /18° | 2.8 mm | 8 | |
| 6 Dec. | Patchy light rain | 31° /20° | 1.9 mm | 8 | |
| 7 Dec. | Patchy rain possible | 33° /21° | 11.5 mm | 9 | |
| 8 Dec. | Light rain shower | 30° /20° | 3.5 mm | 8 | |
| 9 Dec. | Patchy rain possible | 22° /19° | 8.4 mm | 7 | |
| 10 Dec. | Moderate or heavy rain shower | 26° /19° | 16.6 mm | 8 | |
| 11 Dec. | Light rain shower | 26° /18° | 5 mm | 8 | |
| 12 Dec. | Patchy rain possible | 26° /17° | 0.3 mm | 8 | |
| 13 Dec. | Partly cloudy | 30° /17° | 0.6 mm | 9 | |
| 14 Dec. | Partly cloudy | 28° /19° | 5 mm | 9 | |
| 15 Dec. | Sunny | 30° /20° | 1.6 mm | 9 | |
| 16 Dec. | Patchy light rain with thunder | 32° /21° | 0.8 mm | 9 | |
| 17 Dec. | Patchy rain possible | 32° /19° | 0.8 mm | 9 | |
| 18 Dec. | Patchy rain possible | 32° /19° | 0.2 mm | 9 | |
| 19 Dec. | Patchy rain possible | 33° /19° | 0.1 mm | 9 | |
| 20 Dec. | Patchy rain possible | 29° /19° | 4.8 mm | 8 | |
| 21 Dec. | Patchy light drizzle | 30° /19° | 6.4 mm | 8 | |
| 22 Dec. | Patchy rain possible | 27° /19° | 2 mm | 7 | |
| 23 Dec. | Patchy rain possible | 29° /19° | 4.4 mm | 7 | |
| 24 Dec. | Moderate or heavy rain shower | 29° /18° | 1.9 mm | 7 | |
| 25 Dec. | Moderate or heavy rain shower | 31° /19° | 9.7 mm | 8 | |
| 26 Dec. | Light rain shower | 27° /20° | 18.6 mm | 7 | |
| 27 Dec. | Moderate or heavy rain shower | 25° /19° | 7 mm | 7 | |
| 28 Dec. | Moderate rain at times | 29° /18° | 5.4 mm | 7 | |
| 29 Dec. | Moderate or heavy rain shower | 29° /21° | 6.5 mm | 7 | |
| 30 Dec. | Heavy rain at times | 26° /19° | 3.3 mm | 7 | |
| 31 Dec. | Moderate or heavy rain shower | 27° /18° | 7 mm | 7 | |
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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.
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Brazil in December - FAQ
December rainfall patterns in Brazil
UV exposure in Brazil during December
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