24.12
wed
wed
Day
82°F
SW 15 mph
Precip.
100%
100%
Night
77°F
SW 6 mph
Precip.
100%
100%
25.12
thu
thu
Day
81°F
SW 9 mph
Precip.
100%
100%
Night
75°F
NW 4 mph
Precip.
100%
100%
26.12
fri
fri
Day
82°F
SW 14 mph
Precip.
100%
100%
Night
79°F
SW 11 mph
Precip.
0%
0%
27.12
sat
sat
Day
84°F
SW 15 mph
Precip.
0%
0%
Night
81°F
SW 14 mph
Precip.
0%
0%
28.12
sun
sun
Day
82°F
SW 15 mph
Precip.
100%
100%
Night
79°F
SW 14 mph
Precip.
100%
100%
29.12
mon
mon
Day
84°F
SW 15 mph
Precip.
74%
74%
Night
79°F
SW 11 mph
Precip.
0%
0%
30.12
tue
tue
Day
84°F
SW 17 mph
Precip.
43%
43%
Night
79°F
SW 12 mph
Precip.
0%
0%
sea water
temperature
temperature
| Sao Luis |
monthly
weather
weather
| Sao Luis |
current
weather
weather
| Sao Luis |
14 days
forecast
forecast
| Sao Luis |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 82.1°F. The highest and lowest sea temperatures during the month were 82.6°F and 81.3°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 83.5°F. The highest and lowest sea temperatures during the month were 84.4°F and 82.9°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
Sao Luis on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Sao Luis
Local time: 01:12
December 24, wednesday
0300
77°F
W
4 mph
4 mph
0600
79°F
W
7 mph
7 mph
0900
82°F
W
12 mph
12 mph
1200
82°F
SW
15 mph
15 mph
1500
81°F
SW
13 mph
13 mph
1800
79°F
SW
9 mph
9 mph
2100
79°F
SW
7 mph
7 mph
December 25, thursday
0000
77°F
SW
6 mph
6 mph
