Current Sea Water Temperature:
+77.0°F
| Maximum Sea Water Temperature in May: | 82.2°F |
| Minimum Sea Water Temperature in May: | 74.0°F |
| Average water temperature in May: | 77.8°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| May 22 | 77.0°F | May 17 | 76.8°F |
| May 21 | 77.4°F | May 16 | 77.8°F |
| May 20 | 77.4°F | May 15 | 77.0°F |
| May 19 | 77.4°F | May 14 | 77.2°F |
| May 18 | 77.4°F | May 13 | 77.0°F |
When is the Warmest Sea for Niteroi?
According to our data for the last three years for Niteroi the highest average sea water temperature was in February, January and March.
Average Water Temperature by Month, °F
Sea Water Temperature in February
The average sea surface temperature in February 2026 for Niteroi was 85.9°F. The maximum and minimum values were 82.0°F and 90.0°F respectively.
Sea Water Temperature in January
The average sea surface temperature in January 2026 for Niteroi was 83.9°F. The maximum and minimum values were 80.8°F and 86.0°F respectively.
Sea Water Temperature in March
The average sea surface temperature in March 2026 for Niteroi was 82.3°F. The maximum and minimum values were 78.8°F and 86.4°F respectively.
Brazil Resorts:
NAME
F°
| Balneario Pinhal |  |
+60 |
| Florianopolis |  |
+60 |
| Fortaleza | |
+82 |
| Guarapari |  |
+72 |
| Guaratuba |  |
+60 |
| Ilha de Itamaraca | |
+80 |
| Joao Pessoa |  |
+80 |
| Parati | |
+58 |
| Pôrto Belo | |
+62 |
| Recife | |
+80 |
| Rio das Ostras | |
+70 |
| Rio de Janeiro | |
+70 |
| Salvador | |
+84 |
| Santos | |
+66 |
| Sao Paulo | |
+58 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Niteroi
Local time: 17:24
22 may, friday
| 1800 |  |
70°F | NW 6 mph |
| 2100 |  |
70°F | W 5 mph |
23 may, saturday
| 0000 | |
70°F | SW 6 mph |
| 0300 | |
68°F | SW 5 mph |
| 0600 |  |
68°F | SW 4 mph |
| 0900 |  |
72°F | SW 3 mph |
| 1200 | |
78°F | W 2 mph |
| 1500 |  |
80°F | NW 4 mph |