18.12
thu
thu
Day
79°F
SW 12 mph
Precip.
0%
0%
Night
68°F
SE 5 mph
Precip.
0%
0%
19.12
fri
fri
Day
82°F
SW 11 mph
Precip.
0%
0%
Night
70°F
S 6 mph
Precip.
100%
100%
20.12
sat
sat
Day
82°F
SW 12 mph
Precip.
0%
0%
Night
72°F
S 9 mph
Precip.
100%
100%
21.12
sun
sun
Day
82°F
SW 12 mph
Precip.
0%
0%
Night
73°F
S 8 mph
Precip.
100%
100%
22.12
mon
mon
Day
77°F
SW 7 mph
Precip.
79%
79%
Night
73°F
S 5 mph
Precip.
0%
0%
23.12
tue
tue
Day
81°F
NE 6 mph
Precip.
0%
0%
Night
73°F
SE 3 mph
Precip.
0%
0%
24.12
wed
wed
Day
90°F
W 6 mph
Precip.
0%
0%
Night
73°F
NE 2 mph
Precip.
0%
0%
25.12
thu
thu
Day
88°F
SW 7 mph
Precip.
0%
0%
Night
73°F
NE 2 mph
Precip.
100%
100%
26.12
fri
fri
Day
86°F
W 8 mph
Precip.
100%
100%
Night
73°F
NE 2 mph
Precip.
100%
100%
27.12
sat
sat
Day
79°F
SW 6 mph
Precip.
100%
100%
Night
73°F
NW 4 mph
Precip.
100%
100%
28.12
sun
sun
Day
82°F
SW 11 mph
Precip.
26%
26%
Night
73°F
SE 4 mph
Precip.
21%
21%
29.12
mon
mon
Day
86°F
SW 6 mph
Precip.
27%
27%
Night
72°F
SE 3 mph
Precip.
0%
0%
30.12
tue
tue
Day
81°F
NW 7 mph
Precip.
100%
100%
Night
73°F
E 2 mph
Precip.
100%
100%
31.12
wed
wed
Day
77°F
NE 5 mph
Precip.
100%
100%
Night
75°F
SE 4 mph
Precip.
22%
22%
sea water
temperature
temperature
| Florianopolis |
monthly
weather
weather
| Florianopolis |
current
weather
weather
| Florianopolis |
7 days
forecast
forecast
| Florianopolis |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 74.2°F. The highest and lowest sea temperatures during the month were 77.4°F and 71.2°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 78.2°F. The highest and lowest sea temperatures during the month were 81.0°F and 75.7°F.
Air temperature in Florianopolis, °F
Precipitation total in Florianopolis, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Florianopolis
Florianopolis on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Florianopolis
Local time: 05:14
December 18, thursday
0600
66°F
SE
3 mph
3 mph
0900
75°F
S
8 mph
8 mph
1200
79°F
SW
12 mph
12 mph
1500
75°F
SW
12 mph
12 mph
1800
70°F
S
8 mph
8 mph
2100
68°F
S
5 mph
5 mph
December 19, friday
0000
68°F
SE
5 mph
5 mph
0300
68°F
SE
4 mph
4 mph
