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Arraial do Cabo Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Arraial do Cabo.
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10-day forecastForecast
Climate overview of Arraial do Cabo
Arraial do Cabo, Rio de Janeiro State, Brazil, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 25°C (77°F), peaking in March at 27°C (81°F) and dipping in August to 24°C (75°F).
With around 869 mm (34 in) of annual rainfall, the city has moderate precipitation levels. March is the wettest month and August the driest.
Arraial do Cabo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Arraial do Cabo - and find the best time to visit.
Monthly Temperature in Arraial do Cabo
With minimal seasonal shifts, Arraial do Cabo experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a comfortable 27°C (81°F) in March to a comfortable 24°C (75°F) in the coolest month, August.
Nights vary from 24°C (75°F) in March 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 Arraial do Cabo
Generally, Arraial do Cabo receives mid-range precipitation levels, with 869 mm (34 in) annually. The climate in Arraial do Cabo shows significant variation throughout the year. Expect high rainfall in March, the wettest month, with an average of 115 mm (4.5 in) of precipitation over 15 rainy days.
In contrast, the driest month August offers drier and sunnier days, with around 35 mm (1.4 in) of rainfall over 10 rainy days. For more details, please visit our Arraial do Cabo 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 Arraial do Cabo 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
Data from: Cabo Frio, Brazil (9 KM, 5 Miles).
Best Time to Visit Arraial do Cabo
The most comfortable overall weather for exploring Arraial do Cabo is usually found in January, February, April, May, June, July, August, September and October. Conditions are generally least comfortable in March, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
excellent
Feb
excellent
Mar
very good
Apr
excellent
May
excellent
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
excellent
Nov
very good
Dec
very good
- Best overall: January, 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 Arraial do Cabo
What is the best time to visit Arraial do Cabo?
January, February, April, May, June, July, August, September and October typically offer the most optimal weather in Arraial do Cabo. In contrast, March, November and December tend to have less optimal conditions.
What temperatures can I expect in Arraial do Cabo?
Daytime highs range from 24°C (75°F) in August to 27°C (81°F) in March. Nighttime lows range from 20°C (68°F) to 24°C (75°F). Temperatures stay relatively stable year-round.
How much rain does Arraial do Cabo get?
Annual rainfall is around 869 mm (34 in). March is the wettest month with 115 mm (4.5 in), while August is the driest with 35 mm (1.4 in).
Arraial do Cabo 3-Day Forecast
Arraial do Cabo on the map
Arraial do Cabo is highlighted - select any city to see its climate.
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