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Arraial do Cabo Weather in October
October in Arraial do Cabo sees daytime temperatures around 24°C (75°F) and lows of 21°C (70°F) at night. With around 62 mm (2.4 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Arraial do Cabo in October
This month experiences about 19 days of rain according to historical data, averaging 62 mm (2.4 in). Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in Arraial do Cabo in October
October is a excellent month in Arraial do Cabo, with 24°C (75°F) during the day and 21°C (70°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights remain mild at 21°C (70°F), making evenings a pleasant time to be outdoors.If you're inclined towards comfortable temperatures and drier conditions, October is a good time to visit Arraial do Cabo.
Arraial do Cabo Temperature in October
Min Temperature
21°C (70°F)
Max Temperature
24°C (75°F)
Chance of Rain
62%
Precipitation
62 mm (2.4 in)
Rainy days
19 days
Humidity
82% *
* Data from: Cabo Frio, Brazil (9 KM, 5 Miles).
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.
Daily Historical Temperatures
41-year average (1976-2025)
Based on our historical records, temperatures in Arraial do Cabo typically stay consistent throughout October, with daily highs averaging around 24°C (75°F). Nights are pleasant, with lows around 20°C (68°F).
Average temperatures in October
Historical weather records for Arraial do Cabo in October
Browse day-by-day weather records for Arraial do Cabo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Arraial do Cabo historical weather extremes in October
According to our 21 years of weather records for Arraial do Cabo, the following extremes were recorded between 2004 and 2025.
- The hottest October day on record in Arraial do Cabo reached 35°C (95°F) (October 10, 2017).
- On October 6, 2004, Arraial do Cabo saw its coldest October day with temperatures maxing out at 17°C (63°F).
- Arraial do Cabo registered its coldest October night on October 8, 2004, with temperatures dropping to 10°C (50°F).
Best Places in Brazil in October
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in October →
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 Arraial do Cabo in October
Pleasant temperatures in October 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. Rain gear is recommended, you can expect wet weather on multiple days.
What To Do in Arraial do Cabo in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Camping8/10 -
Outdoor sports10/10
Arraial do Cabo 3-Day Forecast
More climate data for Arraial do Cabo
See the full Arraial do Cabo climate overview or explore weather in Brazil.
Popular in October
Where to go in October - average daytime high across popular destinations.
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