Climate Insights for Arraial do Cabo
Morro da Cabocla, Região Geográfica Intermediária de Macaé-Rio das Ostras-Cabo Frio, Rio de Janeiro, Brazil
Climate Overview
The climate in Arraial do Cabo is warm and mild. The average annual temperature is 23°C and approximately 768 mm of precipitation falls per year. November is the wettest month, receiving around 111 mm of rainfall. Arraial do Cabo is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: March, February, January. The coldest months are August, July, September, when temperatures can drop to 20°C.The climate in Arraial do Cabo is warm and mild. The average annual temperature is 74°F and approximately 30.2 in of precipitation falls per year. November is the wettest month, receiving around 4.4 in of rainfall. Arraial do Cabo is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: March, February, January. The coldest months are August, July, September, when temperatures can drop to 69°F.
Temperature
Arraial do Cabo has relatively stable temperatures year-round, staying within a 6°C range. The warmest month is March, when average highs reach 26°C and the mean temperature sits around 25°C. August is the coolest month, with minimum temperatures around 20°C and an average of 21°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.Arraial do Cabo has relatively stable temperatures year-round, staying within a 10°F range. The warmest month is March, when average highs reach 79°F and the mean temperature sits around 78°F. August is the coolest month, with minimum temperatures around 69°F and an average of 70°F. Daily temperature variation is modest, with an average difference of 3°F between highs and lows.
Precipitation
Arraial do Cabo is a relatively dry area, receiving approximately 768 mm of precipitation annually, which averages out to around 64 mm per month. The wettest month is November, averaging 111 mm of rainfall. March and December also tend to see above-average precipitation. The driest month is July, with just 26 mm. That's 85 mm less than November, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.Arraial do Cabo is a relatively dry area, receiving approximately 30.2 in of precipitation annually, which averages out to around 2.5 in per month. The wettest month is November, averaging 4.4 in of rainfall. March and December also tend to see above-average precipitation. The driest month is July, with just 1 in. That's 3.3 in less than November, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
Arraial do Cabo is moderately windy, with an average annual wind speed of 21km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 26km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in March, with average winds dropping to 19km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/h gap between the calmest and windiest months.Arraial do Cabo is very windy, with an average annual wind speed of 13mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is September, averaging 16mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in March, with average winds dropping to 12mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4mph gap between the calmest and windiest months.
Best Time to Visit
The best time to visit Arraial do Cabo is during January, April, May, June, July, August, September, October and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 54 mm per month. By contrast, March can be uncomfortably hot with temperatures reaching 26°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit Arraial do Cabo is during January, April, May, June, July, August, September, October and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 73°F with modest rainfall averaging 2.1 in per month. By contrast, March can be uncomfortably hot with temperatures reaching 79°F. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Arraial do Cabo based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Arraial do Cabo based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.