Current sea water temperature:
+84.0°F
| Minimum sea water temperature in May: | 86.9°F |
| Maximum sea water temperature in May: | 83.7°F |
| Average sea water temperature in May: | 84.7°F |
| more information | |
14 days
forecast
forecast
| Sao Luis |
monthly
weather
weather
| Sao Luis |
Sea water temperature for the last 10 days:
| May 17 | 84.0°F | May 12 | 84.4°F |
| May 16 | 84.2°F | May 11 | 83.8°F |
| May 15 | 84.2°F | May 10 | 84.0°F |
| May 14 | 84.2°F | May 9 | 84.0°F |
| May 13 | 84.2°F | May 8 | 83.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Sao Luis?
Based on the data about daily sea water temperature for the last three years the warmest sea in Sao Luis was noticed in May, June and July.
Monthly Sea Temperatures in Sao Luis, °F
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 84.3°F. The highest and lowest sea temperatures during the month were 84.9°F and 83.8°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 84.1°F. The highest and lowest sea temperatures during the month were 85.3°F and 83.1°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 83.6°F. The highest and lowest sea temperatures during the month were 84.4°F and 83.3°F.
current
weather
weather
| Sao Luis |
weather in
May
May
| Sao Luis |
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: 23:22
May 18, monday
0000
79°F
SW
12 mph
12 mph
0300
77°F
W
9 mph
9 mph
0600
77°F
W
10 mph
10 mph
0900
81°F
W
12 mph
12 mph
1200
82°F
W
12 mph
12 mph
1500
82°F
SW
12 mph
12 mph
1800
81°F
W
11 mph
11 mph
2100
79°F
W
10 mph
10 mph
