Cabo Frio Weather in August
In Cabo Frio, August brings high daytime temperatures around 24°C (75°F), with nights cooling to 20°C (68°F). It is the driest month of the year, with minimal rainfall.
Rainfall in Cabo Frio 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. You can expect rain on around 10 days based on historical patterns, with 36 mm (1.4 in) average for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Cabo Frio in August
Cabo Frio in August is worth a visit. The temperature is perfect, with 24°C (75°F) during the day and 20°C (68°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. Nights remain mild at 20°C (68°F), making evenings a pleasant time to be outdoors. While the temperatures are lower than usual, the month maintains its warmth throughout.If your ideal day consists of dry skies and pleasant temperatures, February, April, May, June, July, August, September and October typically offer the best circumstances for Cabo Frio.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brazil, check out our Cabo Frio's climate page.
Cabo Frio Temperature in August
Min Temperature
20°C (68°F)
Max Temperature
24°C (75°F)
Chance of Rain
33%
Precipitation
36 mm (1.4 in)
Rainy days
10 days
Humidity
81%
Daily Historical Temperatures
41-year average (1976-2025)
Based on our historical records, temperatures in Cabo Frio typically stay consistent throughout August, with daily highs averaging around 24°C (75°F). Nights are pleasant, with lows around 16°C (61°F).
Average temperatures in August
Historical weather for Cabo Frio in August
Browse day-by-day weather records for Cabo Frio spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cabo Frio historical weather extremes in August
The extremes listed below come from historical weather data collected in Cabo Frio from 2005 through 2025.
- The hottest August day on record in Cabo Frio reached 36°C (97°F) (August 24, 2023).
- On August 25, 2005, Cabo Frio saw its coldest August day with temperatures maxing out at 15°C (59°F).
- Cabo Frio registered its coldest August night on August 24, 2006, with temperatures dropping to 7°C (45°F).
Best Places in Brazil in August
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in August →
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What to Wear in Cabo Frio in August
Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Pack a light rain jacket or compact umbrella for occasional showers.What To Do in Cabo Frio in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brazil, check out our Cabo Frio's climate page.
See the full Cabo Frio climate overview or explore weather in Brazil.
