October weather forecast
Arraial do Cabo, Brazil

In October, temperatures rise steadily in Arraial do Cabo, with an increase in average sea temperature to 22.8°C (73°F), making water-related activities favorable once again. Despite the arrival of 81mm (3.19") rainfall, a slight increase from the previous month, it mostly occurs in episodes of brief but torrential downpours. The city begins to prepare for the summer influx of tourists, creating a dynamic and lively atmosphere. Longer daylight spans allow for extended exploration of the picturesque seaside locales.

Temperature

The transition into October shows a subtle variation to a still moderately hot 27.8°C (82°F) from September's 27.1°C (80.8°F) in the average high-temperature. During October, the average low-temperature in Arraial do Cabo is an enjoyable 19.7°C (67.5°F).

Heat index

Throughout October, the heat index is computed to be a hot 32°C (89.6°F). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

January through March, October through December, with an average relative humidity of 82%, are the most humid months in Arraial do Cabo.

Rainfall

Throughout October, 81mm (3.19") of precipitation is accumulated. Throughout the year, 771mm (30.35") of rain is accumulated.

Sea temperature

In October, the average sea temperature is 22.8°C (73°F).
Note: When considering a person's aversion to cold, factors like sunshine, wind, and atmospheric temperature are key. Swimming in 22.8°C (73°F) might be delightful. (Remember: The Olympics' swimming events have water temperatures between 25°C (77°F) and 28°C (82.4°F).)

Daylight

The average length of the day in October in Arraial do Cabo is 12h and 38min.
On the first day of October in Arraial do Cabo, sunrise is at 05:27 and sunset at 17:47. On the last day of the month, sunrise is at 05:02 and sunset at 18:00 -03.