Current Sea Water Temperature:
+87.4°F
| Maximum Sea Water Temperature in August: | 89.0°F |
| Minimum Sea Water Temperature in August: | 85.8°F |
| Average water temperature in August: | 87.3°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| August 18 | 87.4°F | August 13 | 86.4°F |
| August 17 | 86.8°F | August 12 | 86.4°F |
| August 16 | 87.4°F | August 11 | 86.4°F |
| August 15 | 87.4°F | August 10 | 86.8°F |
| August 14 | 87.0°F | August 09 | 87.0°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 |  |
+78 |
| Buzios | |
+74 |
| Florianopolis | |
+70 |
| Fortaleza | |
+82 |
| Ilha de Itamaraca |  |
+82 |
| Joao Pessoa | |
+82 |
| Natal |  |
+84 |
| Recife | |
+82 |
| Rio de Janeiro | |
+76 |
| Salvador | |
+80 |
| Santos | |
+76 |
| Sao Jose de Ribamar | |
+86 |
| Sao Paulo | |
+72 |
| Sao Sebastiao | |
+82 |
| Xangri-la |  |
+70 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Sao Luis
Local time: 08:42
18 aug, tuesday
| 0900 |  |
86°F | W 16 mph |
| 1200 |  |
90°F | SW 11 mph |
| 1500 |  |
84°F | S 20 mph |
| 1800 | |
82°F | SW 14 mph |
| 2100 |  |
82°F | SW 14 mph |
19 aug, wednesday
| 0000 |  |
82°F | SW 16 mph |
| 0300 | |
82°F | W 14 mph |
| 0600 | |
82°F | W 14 mph |