Climate Insights for Tramandaí

The climate in Tramandaí is warm and mild. The average annual temperature is 20°C and approximately 1321mm of precipitation falls per year. Tramandaí receives a notable amount of rainfall throughout the year, including during its driest month. Tramandaí 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 14°C.

Tramandaí sees moderate temperature variation throughout the year, ranging from 14°C to 25°C. February is the warmest month, though highs remain moderate at 25°C with a mean of 24°C. July is the coolest month, with minimum temperatures around 14°C and an average of 15°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.

Tramandaí is a fairly wet location, receiving approximately 1321mm of precipitation annually, which averages out to around 110mm per month. The wettest month is May, averaging 147mm of rainfall. September and October also tend to see above-average precipitation. The driest month is February, with just 72mm. That's 75mm less than May, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Tramandaí is relatively calm, with an average annual wind speed of 6km/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 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

It is currently winter in Tramandaí, which began on June 21, 2026. Tramandaí 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 25°C, while the coldest stretch bottoms out in July near 14°C. Spring is next, beginning on September 23, 2026 — 91 days from now.

The best time to visit Tramandaí is during January, February, April, August and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 86mm per month. By contrast, July can be quite cold with temperatures dropping to 14°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Tramandaí 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.