16.04
wed
wed
Day

84°F
SW 9 mph
Precip.
100%
100%
Night

81°F
SW 12 mph
Precip.
0%
0%
17.04
thu
thu
Day

84°F
SW 12 mph
Precip.
100%
100%
Night

81°F
SW 12 mph
Precip.
100%
100%
18.04
fri
fri
Day

84°F
SW 12 mph
Precip.
86%
86%
Night

81°F
SW 11 mph
Precip.
71%
71%
19.04
sat
sat
Day

84°F
SW 10 mph
Precip.
100%
100%
Night

79°F
SW 10 mph
Precip.
100%
100%
20.04
sun
sun
Day

82°F
SW 14 mph
Precip.
89%
89%
Night

79°F
SW 8 mph
Precip.
0%
0%
21.04
mon
mon
Day

82°F
SW 11 mph
Precip.
100%
100%
Night

79°F
SW 9 mph
Precip.
100%
100%
22.04
tue
tue
Day

82°F
SW 9 mph
Precip.
100%
100%
Night

81°F
SW 11 mph
Precip.
100%
100%
23.04
wed
wed
Day

82°F
SW 13 mph
Precip.
100%
100%
Night

79°F
W 8 mph
Precip.
67%
67%
24.04
thu
thu
Day

82°F
SW 11 mph
Precip.
100%
100%
Night

79°F
SW 11 mph
Precip.
100%
100%
25.04
fri
fri
Day

81°F
SW 10 mph
Precip.
100%
100%
Night

79°F
SW 12 mph
Precip.
100%
100%
26.04
sat
sat
Day

79°F
SW 11 mph
Precip.
100%
100%
Night

79°F
W 9 mph
Precip.
100%
100%
27.04
sun
sun
Day

81°F
SW 8 mph
Precip.
100%
100%
Night

79°F
W 10 mph
Precip.
100%
100%
28.04
mon
mon
Day

82°F
SW 11 mph
Precip.
100%
100%
Night

79°F
W 8 mph
Precip.
100%
100%
29.04
tue
tue
Day

82°F
SW 12 mph
Precip.
100%
100%
Night

79°F
SW 11 mph
Precip.
100%
100%
sea water
temperature
temperature
Sao Luis |
monthly
weather
weather
Sao Luis |
current
weather
weather
Sao Luis |
7 days
forecast
forecast
Sao Luis |
Sea water temperature in April, °F
Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
78
80
82
84
86
88
90
The average sea water temperature in April of 2025 was 83.5°F. The highest and lowest sea temperatures during the month were 84.0°F and 83.1°F.
Air temperature in Sao Luis, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
15
30
45
60
75
90
105
120
85.7
86.7
88.7
89.2
88.3
85.9
85.0
84.5
83.2
82.0
82.6
82.9
77.1
76.8
77.4
76.8
75.6
74.7
74.6
75.3
75.1
75.4
75.6
75.9
Day temperature | Night temperature |
Precipitation total in Sao Luis, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.8
3.5
5.3
7.0
8.8
10.5
12.3
1.8
1.5
0.4
0.1
0.2
0.8
1.7
4.7
7.8
10.2
5.9
4.7
* Charts above show average data for the last 3 years.
Best time for vacation in Sao Luis
Sao Luis on a weather map
Leaflet | Tiles © Esri
Places in Brazil:
Name
°F
24 Hours Forecast
Sao Luis
Local time: 16:51
April 16, wednesday
1800

81°F
SW
14 mph
14 mph
2100

81°F
SW
14 mph
14 mph
April 17, thursday
0000

81°F
SW
12 mph
12 mph
0300

79°F
SW
9 mph
9 mph
0600

81°F
SW
8 mph
8 mph
0900

84°F
SW
11 mph
11 mph
1200

84°F
SW
12 mph
12 mph
1500

84°F
SW
12 mph
12 mph