World Resorts Brazil Sao Luis Weather

Sao Luis 7 Days Forecast

05.08
wed
Day
86°F
SW 10 mph
Precip.
9%
Night
79°F
SW 13 mph
Precip.
17%
06.08
thu
Day
82°F
SW 16 mph
Precip.
24%
Night
79°F
SW 14 mph
Precip.
16%
07.08
fri
Day
84°F
SW 17 mph
Precip.
19%
Night
79°F
SW 16 mph
Precip.
20%
08.08
sat
Day
82°F
SW 17 mph
Precip.
20%
Night
79°F
SW 19 mph
Precip.
24%
09.08
sun
Day
82°F
SW 17 mph
Precip.
24%
Night
79°F
SW 19 mph
Precip.
13%
10.08
mon
Day
82°F
SW 17 mph
Precip.
24%
Night
79°F
SW 15 mph
Precip.
10%
11.08
tue
Day
82°F
SW 12 mph
Precip.
17%
Night
79°F
SW 15 mph
Precip.
14%

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 83.0°F. The highest and lowest sea temperatures during the month were 83.8°F and 82.2°F.

Air temperature in Sao Luis, °F

Precipitation total in Sao Luis, in.

* Charts above show average data for the last 3 years.

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 84.7 °F
July 84.2 °F
Coldest months:
March 82.0 °F
February 82.5 °F
January 82.9 °F
Rainiest months:
March 19 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 13 mph
Feels like: +84°F
Precip.: 17%
Places in Brazil:
Name
°F
+72°F
+73°F
+73°F
+75°F
+68°F
+70°F
+66°F
+61°F
+63°F
+77°F
+61°F
24 Hours Forecast
Sao Luis
Local time: 23:26
August 06, thursday
0000
79°F
SW
13 mph
0300
79°F
SW
14 mph
0600
77°F
SW
12 mph
0900
79°F
SW
14 mph
1200
82°F
SW
16 mph
1500
82°F
SW
16 mph
1800
81°F
SW
13 mph
2100
79°F
SW
11 mph
Units of measurement: °C / °F