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Florianopolis in December: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Florianopolis in December will be like? Take a look at our weather guide for Florianopolis, based on historical data.
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December

Weather in Florianopolis in December 2024

OK Weather
Warm
🌧️
Rainy
If you plan to visit Florianopolis in December, the weather is typically alright, with an average high temperature of +28°C during the day and approximately 2 sunny days. Expect some rainy, though, as there are typically 20 rainy days in the month and around 126 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+28°C
Avg. max. temperature
+14°C
Min.
+37°C
Max.
126 mm
Total precipitation
80%
Avg. humidity
3 m/s
Avg. wind
2 ☀️
Sunny Days
7 ⛅️
Cloudy
20 🌦
Rainy
Our opinion: Florianopolis has OK weather in December.

Average temperature in Florianopolis in December

Here are the expected maximum, average and minimum temperatures in Florianopolis for December based on the historical data.
Last Year
Historical Data

The temperature in December is +29°C on average, with a range between a maximum of +34°C during the day and a minimum of +19°C at night.

The average maximum temperature goes down 20% by the end of the month, compared with the beginning of the month, from +29°C to +26°C.

Is Florianopolis warm or cold in December?

Florianopolis is typically warm in December.

Maximum temperatures go up compared to the previous month from +26°C to +28°C. The minimum temperature also goes up from +20°C to +22°C.

It’s generally warm, but pack a long-sleeve shirt for evenings.

December is one of the warmest months in Florianopolis, here is the comparison with other months:

Climate in Florianopolis in December

Florianopolis weather looks like this, on average, in December and the surrounding months.
NovemberDecemberJanuary
Avg. temperature
+26°C+28°C+29°C
Min. temperature
+12°C+14°C+18°C
Max. temperature
+36°C+37°C+39°C
Rainfall
116 mm126 mm171 mm
Wind
3 m/s3 m/s2 m/s
Humidity
80%80%81%
Air pressure
1013 HPa1011 HPa1011 HPa
Sunny days
322
Cloudy days
774
Rainy days
192023
Snowy days
000

December weather is still as ok as in November. It’s getting warmer as December arrives. The average maximum temperature goes up from +26°C to +28°C during the day. Prepare for more rain. Average rainfall goes from 116 mm to 126 mm. Humidity levels don’t change as the month goes on, averaging around 80%. The average wind speed doesn’t change much during December, staying around 3 m/s. The days becoming less sunny, going from 3 sunny days in November to 2 in December.

January brings much the same weather, it remains ok.

Wind

Wind speed in Florianopolis in December based on historical data.
Last Year
Historical Data

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 December, going from 2 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during December in Florianopolis based on historical data.
Last Year
Historical Data
Total precipitation in December is about 112 mm, with a 61% chance of rain on a typical day. The maximum amount of rainfall per day is around 29 mm, which is moderate rain. December is a pretty wet month with over 19 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how December is compared with other months in the amount of precipitation, total mm:
Florianopolis wettest month is January, where a typical day has a 74% chance of precipitation and 171 mm of rainfall per day. July, on the other hand, is the driest month with a mere 42% chance of precipitation and 89 mm of rainfall per day.

How was the weather last December in Florianopolis?

This is the weather in Florianopolis in December 2023:
1 December
☁️
+29°C
2 December
☀️
+30°C
3 December
☁️
+31°C
4 December
☁️
+28°C
5 December
🌧️
+24°C
6 December
🌧️
+30°C
7 December
☁️
+33°C
8 December
☁️
+25°C
9 December
☁️
+25°C
10 December
☁️
+22°C
11 December
🌧️
+24°C
12 December
☁️
+29°C
13 December
☀️
+29°C
14 December
☁️
+30°C
15 December
☀️
+31°C
16 December
☁️
+31°C
17 December
☁️
+31°C
18 December
☁️
+31°C
19 December
☁️
+31°C
20 December
🌧️
+29°C
21 December
🌧️
+30°C
22 December
☀️
+34°C
23 December
☁️
+33°C
24 December
☀️
+30°C
25 December
☁️
+33°C
26 December
☀️
+29°C
27 December
☀️
+27°C
28 December
☁️
+31°C
29 December
☁️
+34°C
30 December
☀️
+29°C
31 December
☁️
+26°C
In December 2023 Florianopolis had 8 sunny days, 18 cloudy days, and 5 rainy days. The average maximum temperature was +29°C, with an absolute maximum of +34°C and a minimum of +22°C. The average humidity was 80%, with a maximum of 96% and a minimum of 54%. The average wind speed was 4 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in December?

Climate Change over Years

This is how Florianopolis climate have been changing during last 43 years period.

The climate in Florianopolis in December 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

Frequently asked questions about the weather in Florianopolis in December:

Is December a good time to visit Florianopolis?

It’s always a good time to visit Florianopolis, but the weather is changeable in December, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Florianopolis in December?

December is warm in Florianopolis. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Florianopolis rainy in December?

Florianopolis is often rainy in December. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Florianopolis in December?

Usually, it’s not very sunny in Florianopolis in December, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Brazil

Check out the weather for 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, 2022.

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.