Current sea water temperature:
+73.4°F
| Minimum sea water temperature in October: | 81.7°F |
| Maximum sea water temperature in October: | 70.2°F |
| Average sea water temperature in October: | 74.8°F |
| more information | |
14 days
forecast
forecast
| Niteroi |
monthly
weather
weather
| Niteroi |
Sea water temperature for the last 10 days:
| October 25 | 73.4°F | October 20 | 74.5°F |
| October 24 | 73.6°F | October 19 | 75.2°F |
| October 23 | 73.9°F | October 18 | 76.3°F |
| October 22 | 74.3°F | October 17 | 77.0°F |
| October 21 | 74.1°F | October 16 | 76.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Niteroi?
Based on the data about daily sea water temperature for the last three years the warmest sea in Niteroi was noticed in February, January and March.
Monthly Sea Temperatures in Niteroi, °F
Sea water temperature in February, °F
Show year:
2026
2025
2024
The average sea water temperature in February of 2026 was 82.3°F. The highest and lowest sea temperatures during the month were 86.0°F and 78.8°F.
Sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 80.5°F. The highest and lowest sea temperatures during the month were 82.4°F and 77.7°F.
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 79.1°F. The highest and lowest sea temperatures during the month were 82.8°F and 75.9°F.
current
weather
weather
| Niteroi |
weather in
October
October
| Niteroi |
Best time for vacation in Niteroi
Niteroi on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Niteroi
Local time: 12:18
October 25, sunday
1500

75°F
E
7 mph
7 mph
1800

72°F
SE
5 mph
5 mph
2100

72°F
NE
6 mph
6 mph
October 26, monday
0000

72°F
E
11 mph
11 mph
0300

72°F
NE
12 mph
12 mph
0600

70°F
NE
14 mph
14 mph
0900

70°F
NE
17 mph
17 mph
1200

72°F
NE
16 mph
16 mph



























