Current sea water temperature:
+74.1°F
| Minimum sea water temperature in May: | 79.0°F |
| Maximum sea water temperature in May: | 71.6°F |
| Average sea water temperature in May: | 75.0°F |
| more information | |
14 days
forecast
forecast
| Niteroi |
monthly
weather
weather
| Niteroi |
Sea water temperature for the last 10 days:
| May 17 | 74.1°F | May 12 | 75.4°F |
| May 16 | 75.0°F | May 11 | 75.9°F |
| May 15 | 74.3°F | May 10 | 76.8°F |
| May 14 | 74.5°F | May 9 | 77.0°F |
| May 13 | 74.3°F | May 8 | 77.0°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
May
May
| Niteroi |
Best time for vacation in Niteroi
Niteroi on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Niteroi
Local time: 07:34
May 17, sunday
0900
75°F
S
4 mph
4 mph
1200
81°F
N
6 mph
6 mph
1500
79°F
N
9 mph
9 mph
1800
72°F
E
6 mph
6 mph
2100
72°F
SE
4 mph
4 mph
May 18, monday
0000
72°F
S
11 mph
11 mph
0300
72°F
SE
3 mph
3 mph
0600
70°F
S
1 mph
1 mph
