Climate - Florianópolis (Santa Catarina)
Average weather, temperature, rainfall, sunshine hours
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Climate chart - Florianópolis
The climate of Florianópolis is subtropical, with very mild winters (from June to September) and hot summers (from December to March). There is no dry season, however the rains are more frequent in spring and summer, from October to March.
The city is located in southern Brazil, in the state of Santa Catarina, at 27 degrees south latitude. The city is divided between the island of Santa Catarina and the mainland, to which it is connected by a bridge.
In winter there can be quite cold periods, with highs around 15 °C (59 °F). At night the temperature can drop to 5 °C (41 °F) or less. In July 1975 it dropped to -1 °C (30 °F).
In summer there can be heat waves, with highs of 37/38 °C (99/100 °F).
Best Time
The best time to visit Florianópolis is from June to August, being the coolest and driest of the year. It must be said that sometimes it can get a little cold, moreover, the sea is very cool for swimming. So, for a beach holiday it will be necessary to choose the summer, from December to March, even though the air is often hot and humid, there can be severe thunderstorms and sometimes even heat waves.
Florianópolis - Climate data
In Florianópolis, the average temperature of the coldest month (July) is of 17.4 °C (63.3 °F), that of the warmest month (February) is of 25.9 °C (78.5 °F). Here are the average temperatures.Florianópolis - Average temperatures (1991-2020) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
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| January | 21.9 | 29.6 | 25.8 | 71 | 85 | 78.4 |
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| February | 22.1 | 29.6 | 25.9 | 72 | 85 | 78.5 |
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| March | 21.1 | 28.7 | 24.9 | 70 | 84 | 76.9 |
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| April | 19.1 | 27 | 23 | 66 | 81 | 73.5 |
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| May | 16 | 24.1 | 20.1 | 61 | 75 | 68.2 |
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| June | 14.3 | 22.6 | 18.4 | 58 | 73 | 65.2 |
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| July | 13.2 | 21.6 | 17.4 | 56 | 71 | 63.3 |
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| August | 14.2 | 22.6 | 18.4 | 57 | 73 | 65.1 |
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| September | 15.7 | 23 | 19.3 | 60 | 73 | 66.8 |
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| October | 17.7 | 24.8 | 21.2 | 64 | 77 | 70.2 |
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| November | 19 | 26.4 | 22.7 | 66 | 80 | 72.9 |
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| December | 20.9 | 28.7 | 24.8 | 70 | 84 | 76.6 |
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| Year | 17.9 | 25.7 | 21.75 | 64.2 | 78.3 | 71 |
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In Florianópolis, precipitation amounts to 1770 millimeters (69.7 inches) per year: it is therefore abundant. It ranges from 75 mm (3 in) in the driest months (June, August) to 250 mm (9.8 in) in the wettest one (January). Here is the average precipitation.Florianópolis - Average precipitation| Month | Millimeters | Inches | Days |
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| January | 250 | 9.8 | 16 |
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| February | 200 | 7.9 | 15 |
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| March | 180 | 7.1 | 14 |
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| April | 125 | 4.9 | 9 |
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| May | 135 | 5.3 | 9 |
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| June | 75 | 3 | 7 |
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| July | 120 | 4.7 | 9 |
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| August | 75 | 3 | 7 |
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| September | 140 | 5.5 | 11 |
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| October | 150 | 5.9 | 13 |
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| November | 150 | 5.9 | 13 |
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| December | 175 | 6.9 | 12 |
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| Year | 1770 | 69.7 | 135 |
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At Florianópolis, the sea temperature ranges from 19 °C (66 °F) in July, August to 26.5 °C (80 °F) in February. Here are the average sea temperatures.Florianópolis - Sea temperature| Month | Celsius (°C) | Fahrenheit (°F) |
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January | 26 | 79 | February | 26.5 | 79 | March | 26 | 79 | April | 24.5 | 76 | May | 22.5 | 72 | June | 20.5 | 69 | July | 19 | 66 | August | 19 | 66 | September | 19.5 | 67 | October | 21 | 70 | November | 22.5 | 73 | December | 24.5 | 76 | Year | 22.6 | 72.6 |
In Florianópolis, there are on average around 1985 sunshine hours per year. Here are the average hours of sunshine per day.
Florianópolis - Sunshine hours| Month | Average | Total |
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January | 5.5 | 175 | February | 6 | 165 | March | 6 | 185 | April | 5.5 | 170 | May | 5.5 | 175 | June | 5 | 150 | July | 5 | 150 | August | 5 | 155 | September | 4.5 | 130 | October | 4.5 | 145 | November | 6 | 185 | December | 6 | 190 | Year | 5.4 | 1985 |
Florianópolis - Weather by month
Based on the period 1991-2020
In January, the weather in Florianópolis is usually warm to hot and muggy. The average temperature is of 25.8 °C (78 °F), with a minimum of 21.9 °C (71.5 °F) and a maximum of 29.6 °C (85.3 °F).
On the coldest nights of the month, the temperature usually drops to around 18.5 °C (65.5 °F). However, it dropped to 15.8 °C (60.4 °F) in January 2009.
On the warmest days of the month, the temperature usually reaches around 34 °C (93.5 °F). However, it reached 38.1 °C (100.6 °F) in January 2006.
Precipitation amounts to 250 mm (9.8 in), distributed over 16 days.
The day lasts on average 13 hours and 35 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 26 °C (78.5 °F). Therefore, the sea is warm enough for swimming.
In February, the hottest month of the year, the weather in Florianópolis is usually warm to hot and muggy. The average temperature is of 25.9 °C (79 °F), with a minimum of 22.1 °C (71.7 °F) and a maximum of 29.6 °C (85.4 °F).
On the coldest nights of the month, the temperature usually drops to around 18.5 °C (65.5 °F). However, it dropped to 14 °C (57.2 °F) in February 2004.
On the warmest days of the month, the temperature usually reaches around 33.5 °C (92.5 °F). However, it reached 38 °C (100.4 °F) in February 2010.
Precipitation amounts to 200 mm (7.9 in), distributed over 15 days.
The day lasts on average 13 hours and 0 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 26.5 °C (79.5 °F). Therefore, the sea is pleasantly warm and allows long swims.
In March, the weather in Florianópolis is usually warm to hot and muggy. The average temperature is of 24.9 °C (77 °F), with a minimum of 21.1 °C (70.1 °F) and a maximum of 28.7 °C (83.7 °F).
On the coldest nights, the temperature usually drops to around 17 °C (62.5 °F). However, it dropped to 12 °C (53.6 °F) in March 2012.
On the warmest days, the temperature usually reaches around 32.5 °C (90.5 °F). However, it reached 34.8 °C (94.6 °F) in March 2001.
Precipitation amounts to 180 mm (7.1 in), distributed over 14 days.
The day lasts on average 12 hours and 10 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 26 °C (78.5 °F). Therefore, the sea is warm enough for swimming.
In April, the weather in Florianópolis is usually warm to hot and muggy. The average temperature is of 23.0 °C (73 °F), with a minimum of 19.1 °C (66.3 °F) and a maximum of 27 °C (80.6 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 13.5 °C (56 °F). However, it dropped to 9 °C (48.2 °F) in April 1999.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 31 °C (87.5 °F). However, it reached 34 °C (93.2 °F) in April 2016.
Precipitation amounts to 125 mm (4.9 in), distributed over 9 days.
The day lasts on average 11 hours and 25 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 24.5 °C (76.5 °F). Therefore, the sea is warm enough for swimming.
In May, the weather in Florianópolis is usually warm. The average temperature is of 20.1 °C (68 °F), with a minimum of 16 °C (60.9 °F) and a maximum of 24.1 °C (75.5 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 9.5 °C (49.5 °F). However, it dropped to 7 °C (44.6 °F) in May 2007.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 29.5 °C (84.5 °F). However, it reached 32.4 °C (90.3 °F) in May 2008.
Precipitation amounts to 135 mm (5.3 in), distributed over 9 days.
The day lasts on average 10 hours and 40 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 53% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 22.5 °C (72.5 °F). Therefore, the sea can be considered barely acceptable for swimming.
In June, the weather in Florianópolis is usually warm. The average temperature is of 18.4 °C (65 °F), with a minimum of 14.3 °C (57.8 °F) and a maximum of 22.6 °C (72.6 °F).
On the coldest nights, the temperature usually drops to around 7 °C (45 °F). However, it dropped to 5.4 °C (41.7 °F) in June 1994.
On the warmest days, the temperature usually reaches around 28 °C (82.5 °F). However, it reached 31.3 °C (88.3 °F) in June 1997.
Precipitation amounts to 75 mm (3 in), distributed over 7 days.
The day lasts on average 10 hours and 25 minutes. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.
There are on average 5 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 20.5 °C (68.5 °F). Therefore, the sea is cool for swimming.
In July, the coldest month of the year, the weather in Florianópolis is usually very mild. The average temperature is of 17.4 °C (63 °F), with a minimum of 13.2 °C (55.8 °F) and a maximum of 21.6 °C (70.8 °F).
On the coldest nights of the month, the temperature usually drops to around 6 °C (43 °F). However, it dropped to 1 °C (33.8 °F) in July 2000.
On the warmest days of the month, the temperature usually reaches around 27.5 °C (82 °F). However, it reached 31.2 °C (88.2 °F) in July 2005.
Precipitation amounts to 120 mm (4.7 in), distributed over 9 days.
The day lasts on average 10 hours and 35 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).
The average sea temperature is of 19 °C (66 °F). Therefore, the sea is very cool for swimming.
In August, the weather in Florianópolis is usually warm. The average temperature is of 18.4 °C (65 °F), with a minimum of 14.2 °C (57.5 °F) and a maximum of 22.6 °C (72.7 °F).
On the coldest nights of the month, the temperature usually drops to around 7 °C (45 °F). However, it dropped to 2 °C (35.6 °F) in August 1991.
On the warmest days of the month, the temperature usually reaches around 29 °C (84.5 °F). However, it reached 34 °C (93.2 °F) in August 1995.
Precipitation amounts to 75 mm (3 in), distributed over 7 days.
The day lasts on average 11 hours and 10 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 12 kph (8 mph).
The average sea temperature is of 19 °C (66 °F). Therefore, the sea is very cool for swimming.
In September, the weather in Florianópolis is usually warm. The average temperature is of 19.3 °C (67 °F), with a minimum of 15.7 °C (60.2 °F) and a maximum of 23 °C (73.4 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 10 °C (49.5 °F). However, it dropped to 4 °C (39.2 °F) in September 2006.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 28.5 °C (83.5 °F). However, it reached 36 °C (96.8 °F) in September 2006.
Precipitation amounts to 140 mm (5.5 in), distributed over 11 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 36% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 19.5 °C (67 °F). Therefore, the sea is very cool for swimming.
In October, the weather in Florianópolis is usually warm. The average temperature is of 21.2 °C (70 °F), with a minimum of 17.7 °C (63.9 °F) and a maximum of 24.8 °C (76.6 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 12.5 °C (55 °F). However, it dropped to 8.5 °C (47.3 °F) in October 1991.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 30.5 °C (87 °F). However, it reached 36 °C (96.8 °F) in October 1991.
Precipitation amounts to 150 mm (5.9 in), distributed over 13 days.
The day lasts on average 12 hours and 50 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 36% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 21 °C (69.5 °F). Therefore, the sea is cool for swimming.
In November, the weather in Florianópolis is usually warm to hot and muggy. The average temperature is of 22.7 °C (73 °F), with a minimum of 19 °C (66.2 °F) and a maximum of 26.4 °C (79.6 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 14.5 °C (57.5 °F). However, it dropped to 9.3 °C (48.7 °F) in November 2006.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 32 °C (90 °F). However, it reached 37.4 °C (99.3 °F) in November 2002.
Precipitation amounts to 150 mm (5.9 in), distributed over 13 days.
The day lasts on average 13 hours and 30 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 22.5 °C (73 °F). Therefore, the sea can be considered barely acceptable for swimming.
In December, the weather in Florianópolis is usually warm to hot and muggy. The average temperature is of 24.8 °C (77 °F), with a minimum of 20.9 °C (69.6 °F) and a maximum of 28.7 °C (83.7 °F).
On the coldest nights of the month, the temperature usually drops to around 16 °C (61 °F). However, it dropped to 13 °C (55.4 °F) in December 2008.
On the warmest days of the month, the temperature usually reaches around 34 °C (93.5 °F). However, it reached 39 °C (102.2 °F) in December 2012.
Precipitation amounts to 175 mm (6.9 in), distributed over 12 days.
The day lasts on average 13 hours and 55 minutes. December 21, the summer solstice, is the longest day of the year in the Southern Hemisphere.
There are on average 6 hours of sunshine per day. So, the sun shines 44% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 mph).
The average sea temperature is of 24.5 °C (76 °F). Therefore, the sea is warm enough for swimming.
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