Measurements:
°C
°F
Sao Sebastiao
70°F
SW 6 mph
Feels like: 70°F
Precip: 44%
World Resorts Brazil Sao Sebastiao Weather

Sao Sebastiao Sea Water Temperature

Current Sea Water Temperature:
+73.2°F
Maximum Sea Water Temperature in September: 79.6°F
Minimum Sea Water Temperature in September: 70.6°F
Average water temperature in September: 73.6°F

Sea Water Temperature for the Last 10 Days:

September 28 73.2°F September 23 73.0°F
September 27 72.8°F September 22 73.8°F
September 26 73.4°F September 21 72.0°F
September 25 72.2°F September 20 71.4°F
September 24 72.8°F September 19 70.8°F

When is the Warmest Sea for Sao Sebastiao?

According to our data for the last three years for Sao Sebastiao the highest average sea water temperature was in February, March and January.

Average Water Temperature by Month, °F

Sea Water Temperature in February

Select Year: 2026 2025 2024

The average sea surface temperature in February 2026 for Sao Sebastiao was 86.5°F. The maximum and minimum values were 84.8°F and 88.6°F respectively.

Sea Water Temperature in March

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Sao Sebastiao was 83.4°F. The maximum and minimum values were 81.6°F and 85.0°F respectively.

Sea Water Temperature in January

Select Year: 2026 2025 2024

The average sea surface temperature in January 2026 for Sao Sebastiao was 85.2°F. The maximum and minimum values were 83.2°F and 86.6°F respectively.

Best Time to Visit Sao Sebastiao
The most sunny months:
July 17 days
June 14 days
May 14 days
The most warm months:
February 84.4 °F
January 83.8 °F
March 83.6 °F
Warmest sea temperature:
February 85.1 °F
March 83.9 °F
January 83.5 °F
The most cold months:
July 74.2 °F
August 74.6 °F
June 75.5 °F
The most rainy months:
December 6 days
February 5 days
January 5 days
The most windy months:
October 6 mph
September 6 mph
August 6 mph

Sao Sebastiao on the Weather Map

24 Hours Weather Forecast
Sao Sebastiao
Local time: 19:35
28 sep, monday
2100 70°F
SW
6 mph
29 sep, tuesday
0000 70°F
SW
2 mph
0300 70°F
SW
7 mph
0600 70°F
SW
7 mph
0900 80°F
W
2 mph
1200 86°F
W
4 mph
1500 84°F
W
6 mph
1800 74°F
SW
11 mph