Rio Weather in August

August is one of the perfect months to visit Rio, with daytime temperatures of 31°C (88°F) and lows of 21°C (70°F) at night. It is also the driest month of the year.

Rainfall in Rio in August

Expect the least amount of rain this month, providing an excellent opportunity for outdoor activities. Enjoy the clearest skies and driest conditions of the year. Analyzing past climate data, one can expect approximately 3 days of rain, averaging 18 mm (0.7 in). Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.

Temperature in Rio in August

August is a perfect month in Rio, with 31°C (88°F) during the day and 21°C (70°F) at night. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. Nights are mild at around 21°C (70°F), which is comfortable for most people. Average temperatures can be deceiving; some days will be hotter. Wear breathable fabrics and drink plenty of water to stay cool.

Sunshine in Rio in August

Enjoy a sunny month with about 338 hours of sunshine, the clear skies make Rio even more beautiful.

Wind Speed in Rio in August

August has wind speeds averaging 1 m/s (2 knots). You can expect very gentle conditions with light air movement on typical days. Since this is an average, daily weather varies from perfectly still moments to some breezier days.

Average water temperature in August

At 26°C (79°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

If you prefer dry days with pleasant temperatures, May, June, September and October typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Greece, check out our Rio's climate page.

Rio Temperature in August

Min Temperature 21°C (70°F)  

Max Temperature 31°C (88°F)  

Water Temperature 26°C (79°F) *  

Chance of Rain 10%  

Precipitation 18 mm (0.7 in)  

Rainy days 3 days  

Humidity 60% *  

Windspeed 1 m/s (2 knots) *  

Sunshine 338 hours *  

Percentage Sunshine *  

* Data from: Patras, Greece (7 KM, 4 Miles).

What to Wear in Rio in August

Warm but pleasant conditions in Rio in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection. The water temperature sits at about 26°C (79°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Rio in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Greece, check out our Rio's climate page.

More climate data for Rio

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Rio climate overview or explore weather in Greece.