Climate Overview
The climate in Armação dos Búzios is warm and mild. The average annual temperature is 24°C and approximately 936mm of precipitation falls per year. November is the wettest month, receiving around 161mm of rainfall. Armação dos Búzios 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 July, August, June, when temperatures can drop to 19°C.
Temperature
Armação dos Búzios has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is February, when average highs reach 28°C and the mean temperature sits around 26°C. July is the coolest month, with minimum temperatures around 19°C and an average of 22°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows.
Precipitation
Armação dos Búzios is a moderately rainy area, receiving approximately 936mm of precipitation annually, which averages out to around 78mm per month. The wettest month is November, averaging 161mm of rainfall. December and March also tend to see above-average precipitation. The driest month is July, with just 21mm. That's 140mm less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Armação dos Búzios is moderately windy, with an average annual wind speed of 24km/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 28km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in April, with average winds dropping to 21km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 7km/h between the calmest and windiest months.
Seasons
89 days until Winter
It is currently autumn in Armação dos Búzios, which began on March 20, 2026. Armação dos Búzios 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 28°C, while the coldest stretch bottoms out in July near 19°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 21 to 26°C. Precipitation is moderate at around 284mm for the season, averaging 95mm per month. Winds are strong, averaging 27km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 23 to 28°C. Rainfall is heavy, totalling around 341mm across the season with a monthly average of 114mm. Winds are moderate at around 23km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 21 to 28°C. Precipitation is moderate at around 216mm for the season, averaging 72mm per month. Winds are moderate at around 21km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 19 to 25°C. Rainfall is relatively light, with around 95mm over the season and a monthly average of 32mm. Winds are moderate at around 24km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Armação dos Búzios 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 45mm per month. By contrast, February can be uncomfortably hot with temperatures reaching 28°C. 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 Armação dos Búzios 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.
