Current sea water temperature:
+82.2°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 19 | 82.2°F | December 14 | 82.0°F |
| December 18 | 81.7°F | December 13 | 82.2°F |
| December 17 | 81.7°F | December 12 | 82.6°F |
| December 16 | 81.3°F | December 11 | 82.4°F |
| December 15 | 81.5°F | December 10 | 82.2°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: 17:25
December 19, friday
1800
81°F
SW
14 mph
14 mph
2100
81°F
SW
13 mph
13 mph
December 20, saturday
0000
81°F
SW
12 mph
12 mph
0300
79°F
SW
14 mph
14 mph
0600
81°F
W
12 mph
12 mph
0900
82°F
W
14 mph
14 mph
1200
84°F
SW
17 mph
17 mph
1500
82°F
SW
19 mph
19 mph
