Measurements:
°C
°F
CURRENT WEATHER
09:31
Sao Luis
86°F
W 16 mph
Feels like: 90°F
Precip: 10%
World Resorts Brazil Sao Luis Weather

7 Day Weather Forecast

08.18
tue
DAY
90°F
SW 11 mph
precip
4%
NIGHT
82°F
SW 16 mph
precip
9%
08.19
wed
DAY
92°F
W 6 mph
precip
2%
NIGHT
82°F
SW 17 mph
precip
9%
08.20
thu
DAY
88°F
SW 17 mph
precip
13%
NIGHT
82°F
SW 18 mph
precip
25%
08.21
fri
DAY
86°F
SW 19 mph
precip
21%
NIGHT
84°F
SW 17 mph
precip
29%
08.22
sat
DAY
86°F
SW 15 mph
precip
20%
NIGHT
82°F
SW 20 mph
precip
17%
08.23
sun
DAY
88°F
SW 22 mph
precip
6%
NIGHT
82°F
SW 20 mph
precip
8%
08.24
mon
DAY
86°F
SW 21 mph
precip
14%
NIGHT
82°F
SW 16 mph
precip
8%

Sao Luis Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Sao Luis was 28.5°F. The maximum and minimum values were 28.2°F and 28.9°F respectively.

Sao Luis on the Weather Map

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 88.6 °F
June 88.5 °F
July 88.0 °F
The most cold months:
March 85.6 °F
February 86.1 °F
January 86.6 °F
The most rainy months:
March 19 days
April 16 days
February 12 days
The most windy months:
October 10 mph
September 10 mph
November 9 mph
more details