Climate Insights for Maricá

The climate in Maricá is warm and mild. The average annual temperature is 24°C and approximately 925mm of precipitation falls per year. Maricá receives a notable amount of rainfall throughout the year, including during its driest month. Maricá 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: February, January, March. The coldest months are August, July, June, when temperatures can drop to 20°C.

Maricá has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is February, when average highs reach 29°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 20°C and an average of 22°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows.

Maricá is a moderately rainy area, receiving approximately 925mm of precipitation annually, which averages out to around 77mm per month. The wettest month is March, averaging 120mm of rainfall. November and January also tend to see above-average precipitation. The driest month is July, with just 36mm. That's 84mm less than March, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Maricá is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently autumn in Maricá, which began on March 20, 2026. Maricá is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in February at around 29°C, while the coldest stretch bottoms out in August near 20°C. Winter is next, beginning on June 21, 2026 — 13 days from now.

The best time to visit Maricá is during April, May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 58mm per month. By contrast, February can be uncomfortably hot with temperatures reaching 29°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Maricá 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.