World Resorts Brazil Niteroi Weather

Niteroi sea water temperature

Current sea water temperature:
+80.1°F
Minimum sea water temperature in December: 80.8°F
Maximum sea water temperature in December: 74.7°F
Average sea water temperature in December: 77.5°F

Sea water temperature for the last 10 days:

December 30 80.1°F December 25 79.5°F
December 29 79.7°F December 24 80.8°F
December 28 79.9°F December 23 79.9°F
December 27 79.9°F December 22 77.9°F
December 26 79.2°F December 21 77.4°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:
2025
2024
2023

The average sea water temperature in February of 2025 was 80.8°F. The highest and lowest sea temperatures during the month were 82.2°F and 79.0°F.

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 79.0°F. The highest and lowest sea temperatures during the month were 82.9°F and 75.4°F.

Sea water temperature in March, °F

Show year:
2025
2024
2023

The average sea water temperature in March of 2025 was 78.8°F. The highest and lowest sea temperatures during the month were 80.4°F and 77.0°F.

Best time for vacation in Niteroi

Sunniest months:
July 20 days
August 19 days
May 16 days
Warmest months:
February 84.9 °F
March 84.8 °F
January 84.2 °F
Warmest sea temp:
February 80.3 °F
January 80.0 °F
March 79.8 °F
Coldest months:
July 76.6 °F
June 77.2 °F
August 77.3 °F
Rainiest months:
February 5 days
December 5 days
January 5 days
Windiest months:
October 6.8 mph
September 6.7 mph
August 6.5 mph

Niteroi on a weather map

Niteroi
+77°F
NW 3 mph
Feels like: +81°F
Precip.: 0%
Places in Brazil:
Name
°F
+77°F
+81°F
+81°F
+81°F
+75°F
+81°F
+75°F
+75°F
+75°F
+73°F
+79°F
+73°F
24 Hours Forecast
Niteroi
Local time: 17:40
December 30, tuesday
1800
77°F
NW
3 mph
2100
75°F
SE
3 mph
December 31, wednesday
0000
75°F
SE
1 mph
0300
73°F
SW
4 mph
0600
77°F
SW
2 mph
0900
84°F
N
3 mph
1200
88°F
N
9 mph
1500
77°F
N
6 mph
Units of measurement: °C / °F