30.12
tue
tue
Day
82°F
SW 14 mph
Precip.
100%
100%
Night
79°F
SW 16 mph
Precip.
71%
71%
31.12
wed
wed
Day
84°F
SW 19 mph
Precip.
0%
0%
Night
79°F
SW 14 mph
Precip.
0%
0%
01.01
thu
thu
Day
84°F
SW 19 mph
Precip.
0%
0%
Night
79°F
SW 13 mph
Precip.
72%
72%
02.01
fri
fri
Day
84°F
SW 15 mph
Precip.
85%
85%
Night
79°F
SW 12 mph
Precip.
0%
0%
03.01
sat
sat
Day
84°F
SW 16 mph
Precip.
0%
0%
Night
79°F
SW 14 mph
Precip.
21%
21%
04.01
sun
sun
Day
84°F
SW 16 mph
Precip.
55%
55%
Night
79°F
SW 14 mph
Precip.
77%
77%
05.01
mon
mon
Day
82°F
SW 15 mph
Precip.
0%
0%
Night
81°F
SW 12 mph
Precip.
26%
26%
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: 17:52
December 30, tuesday
1800
81°F
SW
16 mph
16 mph
2100
81°F
SW
19 mph
19 mph
December 31, wednesday
0000
79°F
SW
16 mph
16 mph
0300
79°F
W
14 mph
14 mph
0600
81°F
W
16 mph
16 mph
0900
84°F
W
17 mph
17 mph
1200
84°F
SW
19 mph
19 mph
1500
82°F
SW
22 mph
22 mph
