Weather in Florianopolis in August 2025
- August is usually the wettest month of the year in Florianopolis;
Average weather
Average temperature in Florianopolis in August
The expected average maximum temperature in August is +23°C with a maximum of +30°C and a minimum of +11°C.
The average maximum temperature goes up 11% by the end of the month, compared with the beginning of the month, from +24°C to +26°C.
Is Florianopolis warm or cold in August?
Florianopolis is typically mild in August.
Maximum temperatures go up compared to the previous month from +21°C to +22°C. The minimum temperature also goes up from +14°C to +15°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
August is one of the coolest months in Florianopolis, here is the comparison with other months:
Climate in Florianopolis in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +21°C | +22°C | +22°C | ||||
| Min. temperature | ||||||
| +5°C | +5°C | +7°C | ||||
| Max. temperature | ||||||
| +31°C | +33°C | +35°C | ||||
| Rainfall | ||||||
| 89 mm | 92 mm | 128 mm | ||||
| Wind | ||||||
| 2 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 83% | 83% | 82% | ||||
| Air pressure | ||||||
| 1019 HPa | 1019 HPa | 1017 HPa | ||||
| Sunny days | ||||||
| 8 | 6 | 3 | ||||
| Cloudy days | ||||||
| 10 | 11 | 9 | ||||
| Rainy days | ||||||
| 13 | 13 | 16 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. It’s getting warmer as August arrives. The average maximum temperature goes up from +21°C to +22°C during the day. Prepare for more rain. Average rainfall goes from 89 mm to 92 mm. Humidity levels don’t change as the month goes on, averaging around 83%. Winds are stronger in comparison to July, going up from 2 m/s to 3 m/s on average. The days becoming less sunny, going from 8 sunny days in July to 6 in August.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Florianopolis is gradually increasing during August, going from 3 m/s to 3 m/s over the course of the month.
Rain
How was the weather last August in Florianopolis?
Climate Change over Years
The climate in Florianopolis in August has not changed much over the last 43 years.
The average temperature was the lowest in 1983 (+24°C) and the highest in 2019 (+26°C). The driest year was 1988 with only 947 mm of rainfall, and the wettest year was 2022 with 2773 mm.
FAQ
Is August a good time to visit Florianopolis?
Can you sunbathe in Florianopolis in August?
Is Florianopolis rainy in August?
Is it sunny in Florianopolis in August?
Other cities in Brazil
Monthly weather in Florianopolis
Source of the data
For this page, we’ve looked at the typical weather in Florianopolis, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.