Cabo Frio
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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 excellent, 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.

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%

Cabo Frio Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Cabo Frio - and find the best time to visit.

Daily Historical Temperatures

42-year average (1976-2026)

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 typically ranging from 15°C (59°F) to 18°C (64°F).

Average temperatures in August

Historical weather records 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 2026.

  • 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 →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Cycling
    10/10
  • Walking
    10/10
  • Camping
    10/10
  • Outdoor sports
    10/10

Cabo Frio 3-Day Forecast

More climate data for Cabo Frio

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.