Cabo Frio Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Cabo Frio.
Climate overview of Cabo Frio
Cabo Frio, Rio de Janeiro State, Brazil, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 26°C (79°F), peaking in February at 28°C (82°F) and dipping in August to 24°C (75°F).
With around 948 mm (37 in) of annual rainfall, the city has moderate precipitation levels. November is the wettest month and August the driest.
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.
Monthly Temperature in Cabo Frio
With minimal seasonal shifts, Cabo Frio experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a comfortable 28°C (82°F) in February to a comfortable 24°C (75°F) in the coolest month, August.
Nights vary from 24°C (75°F) in February to around 20°C (68°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Cabo Frio
Generally, Cabo Frio receives mid-range precipitation levels, with 948 mm (37 in) annually. The climate in Cabo Frio shows significant variation throughout the year. Expect high rainfall in November, the wettest month, with an average of 126 mm (5 in) of precipitation over 20 rainy days.
In contrast, the driest month August offers drier and sunnier days, with around 36 mm (1.4 in) of rainfall over 10 rainy days. For more details, please visit our Cabo Frio Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Humidity in Cabo Frio by Month
The city experiences its highest humidity in January, reaching 82%. In April, the humidity drops to its lowest level at 80%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Cabo Frio
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: February, April, May, June, July, August, September and October
- Warmest weather: January, February, March, April and December
- Fewest rainy days: June, July and August
Frequently asked questions about the climate in Cabo Frio
What is the best time to visit Cabo Frio?
February, April, May, June, July, August, September and October typically offer the most optimal weather in Cabo Frio. In contrast, January, March, November and December tend to have less optimal conditions.
What temperatures can I expect in Cabo Frio?
Daytime highs range from 24°C (75°F) in August to 28°C (82°F) in February. Nighttime lows range from 20°C (68°F) to 24°C (75°F). Temperatures stay relatively stable year-round.
How much rain does Cabo Frio get?
Annual rainfall is around 948 mm (37 in). November is the wettest month with 126 mm (5 in), while August is the driest with 36 mm (1.4 in).
Cabo Frio 3-Day Forecast
Cabo Frio on the map
Cabo Frio is highlighted - select any city to see its climate.
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