Climate Overview
The climate in Florianópolis is warm and mild. The average annual temperature is 21°C and approximately 1474mm of precipitation falls per year. Florianópolis receives a notable amount of rainfall throughout the year, including during its driest month. Florianópolis 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.
Temperature
Florianópolis sees moderate temperature variation throughout the year, ranging from 14°C to 28°C. The warmest month is February, when average highs reach 28°C and the mean temperature sits around 25°C. July is the coolest month, with minimum temperatures around 14°C and an average of 17°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.
Precipitation
Florianópolis is a fairly wet location, receiving approximately 1474mm of precipitation annually, which averages out to around 123mm per month. The wettest month is January, averaging 188mm of rainfall. December and February also tend to see above-average precipitation. The driest month is July, with just 58mm. That's 130mm less than January, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
Florianópolis is mildly breezy, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.
Seasons
3 days until Spring
It is currently winter in Florianópolis, which began on June 21, 2026. Florianópolis 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 14°C. Spring is next, beginning on September 23, 2026 (3 days from now).
Spring
Temperatures range from 17 to 24°C. Rainfall is heavy, totalling around 372mm across the season with a monthly average of 124mm. Winds are generally light, averaging 13km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 21 to 28°C. Rainfall is heavy, totalling around 505mm across the season with a monthly average of 168mm. Winds are generally light, averaging 12km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 17 to 27°C. Rainfall is heavy, totalling around 357mm across the season with a monthly average of 119mm. Winds are generally light, averaging 11km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 14 to 21°C. Precipitation is moderate at around 239mm for the season, averaging 80mm per month. Winds are generally light, averaging 12km/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 Florianópolis is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 84mm per month. By contrast, February can be uncomfortably hot with temperatures reaching 28°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.
Monthly Climate Data
The table below shows monthly climate averages for Florianópolis 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.