World Resorts Brazil Niteroi Weather

Niteroi sea water temperature

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

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

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.

Best time for vacation in Niteroi

Sunniest months:
July 19 days
August 18 days
June 16 days
Warmest months:
February 84.6 °F
March 84.2 °F
January 83.8 °F
Warmest sea temp:
February 80.6 °F
January 80.1 °F
March 79.7 °F
Coldest months:
July 76.5 °F
June 76.7 °F
August 77.0 °F
Rainiest months:
February 5 days
December 5 days
January 5 days
Windiest months:
September 7.1 mph
October 6.8 mph
August 6.7 mph

Niteroi on a weather map

Niteroi
+77°F
NE 7 mph
Feels like: +81°F
Precip.: 60%
Places in Brazil:
Name
°F
+79°F
+66°F
+82°F
+86°F
+84°F
+72°F
+72°F
+72°F
+68°F
+86°F
+64°F
24 Hours Forecast
Niteroi
Local time: 12:18
October 25, sunday
1500
75°F
E
7 mph
1800
72°F
SE
5 mph
2100
72°F
NE
6 mph
October 26, monday
0000
72°F
E
11 mph
0300
72°F
NE
12 mph
0600
70°F
NE
14 mph
0900
70°F
NE
17 mph
1200
72°F
NE
16 mph
Units of measurement: °C / °F