FlorianópolisPhoto: No machine-readable author provided. Herbert VAlterE assumed (based on… · CC BY 2.5Brazil · South America
Best time to visit Florianópolis
Florianópolis sits on an island in southern Brazil with over 40 beaches, lagoons and surf. Subtropical: warm, lively summers (December to March), mild winters.
Climate decision
Best travel months for Florianópolis
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Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Latest 5-year values 2021–2025
Average of the five most recent complete years compared with the 1991–2025 climate average.
December · Wet days
15.8 days/month
1991–2025: 19.2 days/month
-3.4 days/month · lower
March · Mean daily maximum
29.1 °C
1991–2025: 27.6 °C
+1.5 °C · higher
February · Monthly precipitation
90.8 mm/month
1991–2025: 154.1 mm/month
-63.3 mm/month · lower
February · Sea temperature
26.4 °C
1991–2025: 25.8 °C
+0.6 °C · higher
December: 34/155 days at or above 30 °C; highest single value 37.7 °C.
Five-year historical sample, not a weather forecast or long-term climate trend. Individual hot days can be far above the monthly mean.
Annual profile · Coast and sea
Florianópolis: the swimming season follows two curves
Average daily highs vary by 8.3 °C through the year, while the sea varies by 8.1 °C. Air and water temperature should therefore be considered separately.
The practical difference
The month with the highest daytime temperature and the month with the warmest sea need not define the same travel window. Rain and sunshine help resolve the trade-off.
Warmest sea
February · 25.8 °C
Highest average daily high
January and February · 28.5 °C
Fewest rainy days
August · 10.1
Most sunshine
December · 7.5 h
Month by month
Overall suitability per month. Tap a month for details.
All climate figures compared
The table is the complete accessible data view; the charts below highlight selected patterns.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Rain mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| January | 28 | 21 | 22 | 195 | 7.3 | 79 | 3.7 | 26 | 64 |
| February | 29 | 22 | 20 | 154 | 6.9 | 80 | 3.4 | 26 | 64 |
| March | 28 | 21 | 18 | 131 | 6.0 | 80 | 3.3 | 25 | 67 |
| April | 26 | 18 | 13 | 92 | 4.9 | 80 | 3.2 | 24 | 76 |
| May | 23 | 15 | 11 | 105 | 3.9 | 81 | 3.0 | 22 | 75 |
| June | 21 | 13 | 10 | 102 | 3.3 | 83 | 2.9 | 20 | 67 |
| July | 20 | 12 | 11 | 100 | 3.5 | 83 | 3.0 | 18 | 61 |
| August | 21 | 13 | 10 | 97 | 4.2 | 84 | 3.4 | 18 | 65 |
| September | 22 | 14 | 14 | 143 | 4.7 | 83 | 3.7 | 19 | 63 |
| October | 24 | 16 | 18 | 154 | 5.5 | 83 | 3.9 | 21 | 64 |
| November | 25 | 18 | 17 | 133 | 6.9 | 80 | 3.9 | 22 | 71 |
| December | 28 | 20 | 19 | 151 | 7.5 | 78 | 3.8 | 24 | 67 |
Climate through the year
Compare temperature, rainy days, sunshine and, for coastal destinations, sea temperature month by month.
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Where to stay in Florianópolis
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Similar destinations
The number is the overall climate score, not a similarity score.
Frequently asked questions
When is the best time to visit Florianópolis?
The strongest climate months are March, April, May, November. Values are historical averages, not a forecast.
Which month has the highest average daily maximum temperature in Florianópolis?
Average daily maximum temperatures in Florianópolis are practically tied in January and February at around 29 °C.
When is the sea warmest at Florianópolis?
In February, at around 26 °C.