Current Sea Water Temperature:
+88.4°F
| Maximum Sea Water Temperature in May: | 91.0°F |
| Minimum Sea Water Temperature in May: | 87.4°F |
| Average water temperature in May: | 88.6°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| May 22 | 88.4°F | May 17 | 87.8°F |
| May 21 | 88.2°F | May 16 | 88.0°F |
| May 20 | 88.2°F | May 15 | 88.0°F |
| May 19 | 88.0°F | May 14 | 88.0°F |
| May 18 | 87.8°F | May 13 | 88.0°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 88.1°F. The maximum and minimum values were 87.6°F and 88.8°F respectively.
Sea Water Temperature in June
The average sea surface temperature in June 2025 for Sao Luis was 87.9°F. The maximum and minimum values were 86.8°F and 89.2°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2025 for Sao Luis was 87.4°F. The maximum and minimum values were 87.0°F and 88.2°F respectively.
Brazil Resorts:
NAME
F°
| Balneario Pinhal |  |
+62 |
| Florianopolis |  |
+64 |
| Fortaleza | |
+90 |
| Guarapari |  |
+74 |
| Guaratuba |  |
+66 |
| Ilha de Itamaraca | |
+86 |
| Joao Pessoa | |
+84 |
| Parati |  |
+60 |
| Pôrto Belo | |
+66 |
| Recife | |
+86 |
| Rio das Ostras | |
+74 |
| Rio de Janeiro | |
+72 |
| Salvador | |
+84 |
| Santos | |
+66 |
| Sao Paulo | |
+62 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Sao Luis
Local time: 16:31
22 may, friday
| 1800 |  |
84°F | SW 6 mph |
| 2100 |  |
84°F | SW 6 mph |
23 may, saturday
| 0000 | |
82°F | SW 6 mph |
| 0300 | |
84°F | SW 6 mph |
| 0600 |  |
82°F | NW 4 mph |
| 0900 | |
86°F | N 8 mph |
| 1200 | |
88°F | W 6 mph |
| 1500 | |
88°F | NW 2 mph |