Rio de Janeiro
December
Weather in Rio de Janeiro for December 2026
Your guide to Rio de Janeiro weather in December - trends and predictions
In general, the average temperature in Rio de Janeiro at the beginning of December is 27.8 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 28.4 °C by the end of December.
Rio de Janeiro in December brings notable rainfall, with an average of 18 rainy days and a total precipitation of 138.9 mm.
Is December a good time to visit Rio de Janeiro? check out the best time to travel to Rio de Janeiro page.
Temperatures
Rain 🌧️
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13
Dry days
18
Rainy days
0
Snow days
28°/22°
Temperatures
16 km/h
Avg max wind
80 %
Avg humidity
Rio de Janeiro Weather December
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Temperatures trend during December in Rio de Janeiro
See the weather trend as well as the moving average line
December weather in Rio de Janeiro day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain | 27° /22° | 2.8 mm | 8 | |
| 2 Dec. | Light rain | 30° /22° | 4.1 mm | 9 | |
| 3 Dec. | Light rain | 27° /23° | 6.9 mm | 8 | |
| 4 Dec. |  Moderate rain | 26° /22° | 23.4 mm | 8 | |
| 5 Dec. | Light rain | 26° /22° | 7 mm | 8 | |
| 6 Dec. |  Patchy rain possible | 29° /22° | 0.6 mm | 9 | |
| 7 Dec. | Patchy rain possible | 30° /23° | 0.5 mm | 9 | |
| 8 Dec. | Patchy rain possible | 30° /23° | 1.3 mm | 9 | |
| 9 Dec. | Light rain | 28° /22° | 4 mm | 8 | |
| 10 Dec. | Light rain | 28° /22° | 4.8 mm | 8 | |
| 11 Dec. | Light rain | 26° /22° | 5.6 mm | 8 | |
| 12 Dec. | Patchy rain possible | 27° /21° | 2.3 mm | 8 | |
| 13 Dec. | Patchy rain possible | 26° /21° | 2.3 mm | 8 | |
| 14 Dec. | Light rain | 26° /21° | 2.8 mm | 8 | |
| 15 Dec. | Patchy rain possible | 30° /23° | 1.6 mm | 9 | |
| 16 Dec. | Light rain | 31° /23° | 6.2 mm | 9 | |
| 17 Dec. | Light rain | 27° /22° | 6.8 mm | 8 | |
| 18 Dec. | Light rain | 26° /21° | 2.8 mm | 8 | |
| 19 Dec. | Patchy rain possible | 26° /21° | 0.1 mm | 8 | |
| 20 Dec. | Light rain | 28° /22° | 8 mm | 9 | |
| 21 Dec. | Light rain | 28° /22° | 2.8 mm | 9 | |
| 22 Dec. | Light rain | 27° /22° | 3.1 mm | 8 | |
| 23 Dec. | Light rain | 28° /22° | 3.4 mm | 9 | |
| 24 Dec. | Patchy rain possible | 28° /23° | 2.2 mm | 9 | |
| 25 Dec. | Patchy rain possible | 30° /23° | 0.9 mm | 9 | |
| 26 Dec. | Light rain shower | 30° /23° | 2.2 mm | 9 | |
| 27 Dec. |  Moderate or heavy rain shower | 28° /23° | 6.1 mm | 8 | |
| 28 Dec. | Patchy rain possible | 29° /23° | 2.3 mm | 9 | |
| 29 Dec. | Light rain | 29° /23° | 4.4 mm | 9 | |
| 30 Dec. | Moderate or heavy rain shower | 27° /23° | 9.2 mm | 8 | |
| 31 Dec. | Light rain | 27° /22° | 8.3 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Rio de Janeiro in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Rio de Janeiro forecast closer to your planned date for the most up-to-date weather information.
Change Month
Rio de Janeiro in December - FAQ
What are the expected maximum and minimum temperatures in Rio de Janeiro during December?
During December, expect a variety of temperatures with highs around 28° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in Rio de Janeiro during December?
Significant rainfall exceeding 138.9 mm is expected in Rio de Janeiro during December, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Rio de Janeiro during December?
The average wind speed in Rio de Janeiro during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
Rio de Janeiro water temperatures in December
The average water temperature of the Atlantic Ocean near Rio de Janeiro in December is 22.1 °C. At the beginning of December temperatures are around 21.8 °C; by the end of the month they get a bit warmer and reach 22.4 °C.
- What is the water temperature in Rio de Janeiro in December?
- The average water temperature in Rio de Janeiro in December is 22.1 °C.
- Can you swim in Rio de Janeiro in December?
- Comfortably warm for most people. Sensitive swimmers might prefer a light rash-guard, but wetsuits are rarely needed.
December rainfall patterns in Rio de Janeiro
Explore the daily rainfall trends and prepare for Rio de Janeiros December weather 💧
Typically, Rio de Janeiro has 18 rainy days in December with a total of 138.9 mm of rainfall.
UV exposure in Rio de Janeiro during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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