World Resorts Brazil Sao Luis Weather

Sao Luis sea water temperature

Current sea water temperature:
+82.8°F
Minimum sea water temperature in March: 84.6°F
Maximum sea water temperature in March: 82.4°F
Average sea water temperature in March: 83.4°F

Sea water temperature for the last 10 days:

March 17 82.8°F March 12 83.5°F
March 16 82.9°F March 11 83.5°F
March 15 82.9°F March 10 83.3°F
March 14 83.5°F March 9 83.5°F
March 13 83.3°F March 8 83.1°F

When is the warmest sea in Sao Luis?

Based on the data about daily sea water temperature for the last three years the warmest sea in Sao Luis was noticed in May, June and July.

Monthly Sea Temperatures in Sao Luis, °F

Sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 84.7°F. The highest and lowest sea temperatures during the month were 85.8°F and 84.2°F.

Sea water temperature in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 84.1°F. The highest and lowest sea temperatures during the month were 85.3°F and 83.1°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 83.6°F. The highest and lowest sea temperatures during the month were 84.4°F and 83.3°F.

Best time for vacation in Sao Luis

Sunniest months:
September 11 days
August 10 days
October 6 days
Warmest months:
September 88.3 °F
October 87.7 °F
August 87.4 °F
Warmest sea temp:
May 84.8 °F
June 84.6 °F
July 84.2 °F
Coldest months:
March 82.0 °F
February 82.5 °F
January 82.9 °F
Rainiest months:
March 21 days
April 16 days
February 12 days
Windiest months:
October 10.4 mph
September 10.1 mph
November 9.4 mph

Sao Luis on a weather map

Sao Luis
+79°F
SW 9 mph
Feels like: +84°F
Precip.: 0%
Places in Brazil:
Name
°F
+72°F
+79°F
+79°F
+72°F
+79°F
+73°F
+77°F
+64°F
+72°F
+70°F
+72°F
+77°F
24 Hours Forecast
Sao Luis
Local time: 06:35
March 17, tuesday
0900
82°F
SW
12 mph
1200
82°F
SW
12 mph
1500
82°F
SW
14 mph
1800
79°F
SW
12 mph
2100
79°F
SW
11 mph
March 18, wednesday
0000
79°F
SW
11 mph
0300
77°F
SW
10 mph
0600
77°F
SW
7 mph
Units of measurement: °C / °F