World Resorts Brazil Niteroi Weather

Niteroi Sea Temperature in October

Average sea water temperature in October:
+74.7°F
Minimum sea water temperature in October: 81.7°F
Maximum sea water temperature in October: 70.2°F

Daily sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 73.0°F. The highest and lowest sea temperatures during the month were 75.7°F and 70.2°F.

Monthly sea water temperature in Niteroi, °F

Which Brazil resorts have warmest sea in October?

Place name October 2025 October 2024
Macapa 86.1°F 86.8°F
Belem 84.0°F 84.4°F
Ananindeua 83.8°F 84.3°F
Sao Jose de Ribamar 82.3°F 82.2°F
Sao Luis 82.1°F 82.0°F
Jericoacoara 80.8°F 81.2°F
Fortaleza 80.8°F 81.0°F
Ilha de Itamaraca 80.8°F 81.9°F
Paracuru 80.7°F 81.2°F
Jaboatao dos Guararapes 80.6°F 81.7°F
Joao Pessoa 80.6°F 81.6°F
Paulista 80.6°F 81.6°F
Recife 80.6°F 81.5°F
Natal 80.5°F 81.1°F
Olinda 80.5°F 81.4°F
Maceio 80.3°F 81.2°F
Aracaju 79.5°F 80.2°F
Salvador 79.3°F 80.7°F
Lauro de Freitas 79.0°F 79.9°F
Itacare 78.8°F 80.0°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:
December 6 days
February 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
+72°F
S 2 mph
Feels like: +72°F
Precip.: 72%
Places in Brazil:
Name
°F
+70°F
+70°F
+77°F
+68°F
+81°F
+68°F
+79°F
+66°F
+72°F
+72°F
+68°F
+81°F
+66°F
24 Hours Forecast
Niteroi
Local time: 06:21
December 05, friday
0900
77°F
NW
6 mph
1200
79°F
NW
12 mph
1500
77°F
NW
12 mph
1800
73°F
W
9 mph
2100
70°F
W
7 mph
December 06, saturday
0000
68°F
W
6 mph
0300
68°F
SW
5 mph
0600
72°F
SW
5 mph
Units of measurement: °C / °F