Measurements:
°C
°F
Sao Luis
82°F
SW 12 mph
Feels like: 88°F
Precip: 75%
World Resorts Brazil Sao Luis Weather

Sao Luis Sea Water Temperature

Current Sea Water Temperature:
+87.6°F
Maximum Sea Water Temperature in February: 88.2°F
Minimum Sea Water Temperature in February: 85.6°F
Average water temperature in February: 86.9°F

Sea Water Temperature for the Last 10 Days:

February 24 87.6°F February 19 87.2°F
February 23 87.0°F February 18 87.2°F
February 22 87.2°F February 17 87.4°F
February 21 87.2°F February 16 87.6°F
February 20 87.0°F February 15 87.0°F

When is the Warmest Sea for Sao Luis?

According to our data for the last three years for Sao Luis the highest average sea water temperature was in May, June and July.

Average Water Temperature by Month, °F

Sea Water Temperature in May

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Sao Luis was 88.5°F. The maximum and minimum values were 88.0°F and 89.8°F respectively.

Sea Water Temperature in June

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Sao Luis was 87.9°F. The maximum and minimum values were 86.8°F and 89.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Sao Luis was 87.4°F. The maximum and minimum values were 87.0°F and 88.2°F respectively.

Best Time to Visit Sao Luis
The most sunny months:
September 11 days
August 10 days
October 6 days
The most warm months:
September 92.5 °F
October 91.9 °F
August 91.6 °F
Warmest sea temperature:
May 88.7 °F
June 88.5 °F
July 88.0 °F
The most cold months:
March 85.6 °F
February 86.2 °F
January 86.6 °F
The most rainy months:
March 21 days
April 16 days
February 13 days
The most windy months:
October 10 mph
September 10 mph
November 9 mph

Sao Luis on the Weather Map

Brazil Resorts:
NAME
Angra dos Reis +76
Buzios +78
Florianopolis +74
Fortaleza +82
Joao Pessoa +82
Maceio +82
Natal +82
Porto Alegre +80
Recife +82
Rio de Janeiro +78
Rio Grande +74
Salvador +84
Santos +78
Sao Paulo +72
Sao Sebastiao +78
24 Hours Weather Forecast
Sao Luis
Local time: 01:22
25 feb, wednesday
0300 82°F
SW
11 mph
0600 80°F
SW
10 mph
0900 84°F
SW
9 mph
1200 84°F
SW
11 mph
1500 84°F
SW
12 mph
1800 82°F
SW
11 mph
2100 82°F
SW
12 mph
26 feb, thursday
0000 82°F
S
11 mph