Florianópolis Weather in December
December in Florianópolis brings high temperatures, with daytime highs of 28°C (82°F) and nights around 21°C (70°F). Quite a bit of rainfall is expected, around 144 mm (5.7 in), so pack an umbrella.
Rainfall in Florianópolis in December
Records from the past 30 years suggest around 22 days of rain, with 144 mm (5.7 in) average for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Florianópolis in December
December in Florianópolis sees highs of 28°C (82°F) and lows of 21°C (70°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. Nights remain mild at 21°C (70°F), making evenings a pleasant time to be outdoors.
Sunshine in Florianópolis in December
With about 188 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, July and August typically offer the best weather for Florianópolis.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brazil, check out our Florianópolis's climate page.
Florianópolis Temperature in December
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Florianópolis typically stay consistent throughout December, with daily highs averaging around 28°C (82°F). Nights are warm, with lows typically ranging from 20°C (68°F) to 22°C (72°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Florianópolis in December
Browse day-by-day weather records for Florianópolis spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Florianópolis historical weather extremes in December
Based on 27 years of weather observations (1998-2025), these are the most extreme conditions recorded in Florianópolis.
- Florianópolis recorded its highest December temperature of 37°C (99°F) on December 31, 2013.
- Florianópolis experienced its chilliest December day on December 6, 2020, reaching only 20°C (68°F).
- The lowest overnight temperature recorded in December was 13°C (55°F) (December 4, 2008).
Best Places in Brazil in December
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in December →
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What to Wear in Florianópolis in December
Warm but pleasant conditions in Florianópolis in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Florianópolis in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brazil, check out our Florianópolis's climate page.
Temperature Rainfall Sunshine Humidity
See the full Florianópolis climate overview or explore weather in Brazil.