Rio de Janeiro
October
Weather in Rio de Janeiro for October 2025
Your guide to Rio de Janeiro weather in October - trends and predictions
Until now, October 2025 in Rio de Janeiro is slightly cooler than the historical average by -1 °C.
In general, the average temperature in Rio de Janeiro at the beginning of October is 27.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 25.1 °C by the end of October.
Rio de Janeiro experiences heavy rainfall in October, with over 20 rainy days and an average total precipitation 186.3 mm.
Temperatures
Rain 🌧️
4
Dry days
27
Rainy days
0
Snow days
26°/21°
Temperatures
17 km/h
Avg max wind
81 %
Avg humidity
Rio de Janeiro Weather October
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Temperatures trend during October in Rio de Janeiro
See the weather trend as well as the moving average line
October weather in Rio de Janeiro day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. |  Sunny | 28° /19° | 10.5 mm | 8 | |
| 2 Oct. |  Light rain shower | 27° /20° | 1.1 mm | 7 | |
| 3 Oct. | Patchy rain possible | 26° /20° | 0.4 mm | 7 | |
| 4 Oct. | Light rain shower | 27° /20° | 4.9 mm | 7 | |
| 5 Oct. | Light rain shower | 26° /21° | 2.3 mm | 7 | |
| 6 Oct. | Sunny | 28° /20° | 0.8 mm | 7 | |
| 7 Oct. | Patchy rain possible | 28° /20° | 4.8 mm | 7 | |
| 8 Oct. | Light rain shower | 26° /20° | 7.6 mm | 7 | |
| 9 Oct. | Light rain shower | 24° /20° | 4.5 mm | 6 | |
| 10 Oct. | Patchy rain possible | 24° /19° | 8.4 mm | 6 | |
| 11 Oct. |  Partly cloudy | 26° /19° | 3.7 mm | 7 | |
| 12 Oct. | Patchy rain possible | 29° /21° | 5.1 mm | 7 | |
| 13 Oct. | Light rain shower | 24° /20° | 6.6 mm | 6 | |
| 14 Oct. | Light rain shower | 24° /20° | 2.7 mm | 6 | |
| 15 Oct. |  Overcast | 25° /19° | 0.4 mm | 6 | |
| 16 Oct. | Patchy rain possible | 27° /19° | 0.2 mm | 7 | |
| 17 Oct. | Light rain shower | 28° /21° | 2.8 mm | 7 | |
| 18 Oct. |  Light drizzle | 26° /21° | 8.6 mm | 7 | |
| 19 Oct. | Light rain shower | 22° /19° | 15 mm | 6 | |
| 20 Oct. | Light drizzle | 21° /18° | 16.3 mm | 6 | |
| 21 Oct. | Patchy rain possible | 23° /18° | 0.7 mm | 6 | |
| 22 Oct. | Patchy rain possible | 25° /18° | 0.1 mm | 6 | |
| 23 Oct. | Sunny | 27° /18° | 0.9 mm | 7 | |
| 24 Oct. | Patchy rain possible | 28° /20° | 2.2 mm | 7 | |
| 25 Oct. |  Moderate or heavy rain shower | 28° /20° | 5.7 mm | 7 | |
| 26 Oct. | Light rain shower | 27° /21° | 8.4 mm | 7 | |
| 27 Oct. | Light rain shower | 24° /20° | 7.5 mm | 6 | |
| 28 Oct. | Patchy rain possible | 25° /20° | 2.2 mm | 6 | |
| 29 Oct. | Light rain shower | 27° /21° | 22 mm | 7 | |
| 30 Oct. | Light rain shower | 24° /21° | 8.1 mm | 6 | |
| 31 Oct. |  Heavy rain | 21° /20° | 30.9 mm | 0.6 | |
| Next | |||||
Important Notice
Our weather forecast for Rio de Janeiro in October 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.
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Rio de Janeiro in October - FAQ
What are the expected maximum and minimum temperatures in Rio de Janeiro during October?
During October, expect a variety of temperatures with highs around 26° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Rio de Janeiro during October?
Significant rainfall exceeding 186.3 mm is expected in Rio de Janeiro during October, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Rio de Janeiro during October?
The average wind speed in Rio de Janeiro during October is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
Rio de Janeiro water temperatures in October
The average water temperature of the Atlantic Ocean near Rio de Janeiro in October is 19.2 °C. At the beginning of October temperatures are around 19.2 °C; by the end of the month they stay fairly steady and reach 19.2 °C.
- What is the water temperature in Rio de Janeiro in October?
- The average water temperature in Rio de Janeiro in October is 19.2 °C.
- Can you swim in Rio de Janeiro in October?
- Refreshing and invigorating. Expect to feel chilled after 10–20 minutes; a shorty wetsuit extends water time, especially at dawn.
October rainfall patterns in Rio de Janeiro
Explore the daily rainfall trends and prepare for Rio de Janeiros October weather 💧
UV exposure in Rio de Janeiro during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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