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Weather in Rio de Janeiro for August 2025

Your guide to Rio de Janeiro weather in August - trends and predictions
  • In general, the average temperature in Rio de Janeiro at the beginning of August is 27.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.9 °C by the end of August.

  • The climate of Rio de Janeiro in August is notably wet, with an average of 11 rainy days.

  • Is August a good time to visit Rio de Janeiro? check out the best time to travel to Rio de Janeiro page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
20
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
26°/19°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Rio de Janeiro in August average weather

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Temperatures trend during August in Rio de Janeiro

See the weather trend as well as the moving average line
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August weather day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
1 Aug. Partly cloudy
Partly cloudy
25° /17° 0 mm 7
2 Aug. Sunny
Sunny
26° /16° 0 mm 7
3 Aug. Sunny
Sunny
28° /16° 0 mm 8
4 Aug. Partly cloudy
Partly cloudy
25° /18° 0 mm 7
5 Aug. Sunny
Sunny
28° /18° 0 mm 8
6 Aug. Sunny
Sunny
28° /19° 0 mm 8
7 Aug. Sunny
Sunny
30° /19° 0 mm 9
8 Aug. Heavy rain at times
Heavy rain at times
28° /21° 3.5 mm 7
9 Aug. Patchy rain possible
Patchy rain possible
25° /19° 0.5 mm 6
10 Aug. Sunny
Sunny
24° /17° 14 mm 7
11 Aug. Sunny
Sunny
25° /17° 0.1 mm 8
12 Aug. Sunny
Sunny
27° /18° 0.2 mm 7
13 Aug. Moderate rain at times
Moderate rain at times
21° /18° 3 mm 5
14 Aug. Patchy rain possible
Patchy rain possible
22° /16° 2.8 mm 6
15 Aug. Cloudy
Cloudy
25° /17° 0.1 mm 7
16 Aug. Partly cloudy
Partly cloudy
26° /19° 0 mm 8
17 Aug. Sunny
Sunny
28° /19° 0 mm 8
18 Aug. Sunny
Sunny
30° /19° 0 mm 8
19 Aug. Overcast
Overcast
30° /20° 0 mm 8
20 Aug. Patchy rain possible
Patchy rain possible
27° /20° 0.8 mm 7
21 Aug. Sunny
Sunny
27° /19° 0.1 mm 7
22 Aug. Sunny
Sunny
30° /19° 0 mm 8
23 Aug. Sunny
Sunny
33° /20° 0 mm 9
24 Aug. Sunny
Sunny
30° /21° 0.4 mm 8
25 Aug. Light drizzle
Light drizzle
23° /19° 8.4 mm 6
26 Aug. Light rain shower
Light rain shower
20° /15° 20.6 mm 5
27 Aug. Light rain shower
Light rain shower
19° /16° 40.7 mm 5
28 Aug. Light rain shower
Light rain shower
20° /14° 22.1 mm 6
29 Aug. Light rain shower
Light rain shower
21° /16° 11.8 mm 6
30 Aug. Cloudy
Cloudy
25° /17° 1.1 mm 7
31 Aug. Overcast
Overcast
25° /19° 0.1 mm 7
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Important Notice
Our weather forecast for Rio de Janeiro in August 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.

Guide for Rio de Janeiro in August

In August, Rio de Janeiro experiences mild winter weather with average temperatures ranging from 18° to 25°. At the beginning of the month, the city typically sees cooler temperatures with occasional rainfall. The average high temperature hovers around 25°, while the lows can drop to around 18°.

The sea temperature remains relatively warm, making it suitable for beach activities.

As the month progresses, Rio de Janeiro tends to become slightly warmer and drier. The average high temperature may increase to around 27°, offering more pleasant conditions for outdoor exploration and sightseeing. The evenings remain comfortable with temperatures around 20°.

The city experiences fewer rainy days towards the end of August, allowing visitors to enjoy the stunning beaches and outdoor attractions.

Overall, August in Rio de Janeiro offers a delightful blend of mild temperatures, occasional rainfall, and comfortable humidity levels. Travelers can take advantage of the pleasant weather to explore the city's iconic landmarks, indulge in water sports, or simply relax on the beautiful beaches.

Rio de Janeiro in August - FAQ

Is August a good time to visit Rio de Janeiro?
Yes, August is a good time to traveling to Rio de Janeiro, read more about the best time to visit Rio de Janeiro.
What are the expected maximum and minimum temperatures in Rio de Janeiro during August?
During August, expect a variety of temperatures with highs around 26° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in Rio de Janeiro during August?
Significant rainfall exceeding 197.9 mm is expected in Rio de Janeiro during August, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Rio de Janeiro during August?
The average wind speed in Rio de Janeiro during August is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Rio de Janeiro in August?

As you prepare for your trip to Rio de Janeiro in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Rio de Janeiro, during August, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

August rainfall patterns in Rio de Janeiro

Explore the daily rainfall trends and prepare for Rio de Janeiros August weather 💧

UV exposure in Rio de Janeiro during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

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Location coordinates Where is Rio de Janeiro?

Get accurate weather forecasts for Rio de Janeiro, located at latitude -22.906 and longitude -43.182. Stay updated with localized weather information tailored for Rio de Janeiro.

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