World Resorts Brazil Sao Sebastiao Weather

Sao Sebastiao weather in August

Weather in Sao Sebastiao: August

Average day temperature: 71.8°F
Average night temperature: 64.0°F
Sea water temperature: 70.5°F
Number of sunny days: 14 days
Day length: 11.0 - 11.6 hours
Number of rainy days: 3 days
Precipitation totals: 1.2 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 83°F. At the same time the lowest night temperature was 57°F. Daily and nightly averages during August were 70.7°F and 62.5°F.

Sea water temperature in Sao Sebastiao in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 69.5°F. The highest and lowest sea temperatures during the month were 71.8°F and 67.8°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 Sao Sebastiao in August is 1.2 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 6.1 mph It makes August one of the most windy months of the year.

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: 6.7.

Best time for vacation in Sao Sebastiao

Sunniest months:
July 18 days
June 15 days
May 15 days
Warmest months:
February 81.0 °F
March 80.5 °F
January 80.4 °F
Warmest sea temp:
February 81.4 °F
March 80.6 °F
January 79.8 °F
Coldest months:
July 71.6 °F
August 71.8 °F
June 73.3 °F
Rainiest months:
December 7 days
February 6 days
January 5 days
Windiest months:
October 6.4 mph
September 6.2 mph
August 6.1 mph

Sao Sebastiao on a weather map

Sao Sebastiao
+68°F
SW 4 mph
Feels like: +68°F
Precip.: 89%
Places in Brazil:
Name
°F
+72°F
+72°F
+77°F
+66°F
+77°F
+66°F
+77°F
+63°F
+68°F
+66°F
+64°F
+75°F
+66°F
24 Hours Forecast
Sao Sebastiao
Local time: 03:54
December 05, friday
0600
66°F
S
3 mph
0900
73°F
SW
3 mph
1200
77°F
NW
7 mph
1500
79°F
W
8 mph
1800
73°F
W
9 mph
2100
70°F
SW
10 mph
December 06, saturday
0000
70°F
SW
10 mph
0300
68°F
SW
9 mph
Units of measurement: °C / °F