Current Sea Water Temperature:
+87.2°F
| Maximum Sea Water Temperature in July: | 89.6°F |
| Minimum Sea Water Temperature in July: | 86.8°F |
| Average water temperature in July: | 88.0°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| July 28 | 87.2°F | July 23 | 87.6°F |
| July 27 | 88.2°F | July 22 | 87.8°F |
| July 26 | 88.0°F | July 21 | 87.4°F |
| July 25 | 87.0°F | July 20 | 87.8°F |
| July 24 | 87.2°F | July 19 | 87.8°F |
When is the Warmest Sea for Sao Luis?
According to our data for the last three years for Sao Luis the highest average sea water temperature was in May, June and July.
Average Water Temperature by Month, °F
Sea Water Temperature in May
The average sea surface temperature in May 2026 for Sao Luis was 88.3°F. The maximum and minimum values were 87.6°F and 89.2°F respectively.
Sea Water Temperature in June
The average sea surface temperature in June 2026 for Sao Luis was 88.7°F. The maximum and minimum values were 87.8°F and 89.4°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2026 for Sao Luis was 88.0°F. The maximum and minimum values were 87.0°F and 89.2°F respectively.
Brazil Resorts:
NAME
F°
| Angra dos Reis | ![]() |
+70 |
| Buzios | ![]() |
+72 |
| Florianopolis | ![]() |
+64 |
| Fortaleza | ![]() |
+82 |
| Joao Pessoa | ![]() |
+76 |
| Natal | ![]() |
+76 |
| Porto Alegre | ![]() |
+66 |
| Recife | ![]() |
+76 |
| Rio de Janeiro | ![]() |
+74 |
| Salvador | ![]() |
+78 |
| Santos | ![]() |
+72 |
| Sao Paulo | ![]() |
+66 |
| Sao Sebastiao | ![]() |
+70 |
| Ubatuba | ![]() |
+62 |
| Xangri-la | ![]() |
+64 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Sao Luis
Local time: 01:05
29 jul, wednesday
| 0300 | ![]() |
82°F | W 11 mph |
| 0600 | ![]() |
82°F | SW 14 mph |
| 0900 | ![]() |
84°F | W 14 mph |
| 1200 | ![]() |
88°F | SW 12 mph |
| 1500 | ![]() |
86°F | SW 16 mph |
| 1800 | ![]() |
84°F | SW 14 mph |
| 2100 | ![]() |
82°F | SW 14 mph |
30 jul, thursday
| 0000 | ![]() |
82°F | SW 18 mph |



































