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Florianopolis weather in August

Weather in Florianopolis: August

Average day temperature: 68.4°F
Average night temperature: 59.4°F
Sea water temperature: 64.6°F
Number of sunny days: 15 days
Day length: 10.8 - 11.5 hours
Number of rainy days: 3 days
Precipitation totals: 2.2 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 75°F. At the same time the lowest night temperature was 47°F. Daily and nightly averages during August were 64.6°F and 56.6°F.

Sea water temperature in Florianopolis in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 63.3°F. The highest and lowest sea temperatures during the month were 65.8°F and 61.0°F.

Sunny, partly cloudy and cloudy days

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Florianopolis in August is 2.0 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 7.0 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 6.3.

Best time for vacation in Florianopolis

Sunniest months:
July 16 days
August 15 days
June 14 days
Warmest months:
February 82.6 °F
January 82.3 °F
March 80.3 °F
Warmest sea temp:
February 78.9 °F
January 78.5 °F
March 77.7 °F
Coldest months:
July 67.4 °F
June 68.3 °F
August 68.4 °F
Rainiest months:
January 7 days
February 7 days
December 6 days
Windiest months:
November 8.0 mph
October 8.0 mph
September 7.8 mph

Florianopolis on a weather map

Florianopolis
+66°F
SW 4 mph
Feels like: +66°F
Precip.: 100%
Places in Brazil:
Name
°F
+72°F
+72°F
+79°F
+66°F
+77°F
+66°F
+77°F
+64°F
+68°F
+68°F
+66°F
+77°F
+66°F
24 Hours Forecast
Florianopolis
Local time: 01:11
December 05, friday
0300
64°F
S
5 mph
0600
68°F
S
6 mph
0900
77°F
S
7 mph
1200
79°F
SW
13 mph
1500
75°F
SW
11 mph
1800
70°F
S
7 mph
2100
66°F
S
6 mph
December 06, saturday
0000
66°F
S
6 mph
Units of measurement: °C / °F