Current sea water temperature:
+82.0°F
| Minimum sea water temperature in December: | 84.6°F |
| Maximum sea water temperature in December: | 81.3°F |
| Average sea water temperature in December: | 83.0°F |
| more information | |
14 days
forecast
forecast
| Sao Luis |
monthly
weather
weather
| Sao Luis |
Sea water temperature for the last 10 days:
| December 23 | 82.0°F | December 18 | 81.7°F |
| December 22 | 82.0°F | December 17 | 81.7°F |
| December 21 | 82.0°F | December 16 | 81.3°F |
| December 20 | 82.2°F | December 15 | 81.5°F |
| December 19 | 82.2°F | December 14 | 82.0°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:
2025
2024
2023
The average sea water temperature in May of 2025 was 84.7°F. The highest and lowest sea temperatures during the month were 85.8°F and 84.2°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
December
December
| 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: 20:19
December 23, tuesday
2100
73°F
N
4 mph
4 mph
December 24, wednesday
0000
73°F
NE
3 mph
3 mph
0300
73°F
NE
4 mph
4 mph
0600
75°F
NE
4 mph
4 mph
0900
81°F
NW
4 mph
4 mph
1200
82°F
SW
11 mph
11 mph
1500
81°F
SW
14 mph
14 mph
1800
79°F
SW
11 mph
11 mph
