Measurements:
°C
°F
Rio Grande
74°F
SE 6 mph
Feels like: 74°F
Precip: 0%
World Resorts Brazil Rio Grande Weather

Rio Grande Sea Water Temperature

Current Sea Water Temperature:
+80.8°F
Maximum Sea Water Temperature in February: 88.4°F
Minimum Sea Water Temperature in February: 77.6°F
Average water temperature in February: 82.2°F

Sea Water Temperature for the Last 10 Days:

February 24 80.8°F February 19 81.6°F
February 23 82.2°F February 18 83.2°F
February 22 82.8°F February 17 82.8°F
February 21 83.0°F February 16 80.6°F
February 20 82.6°F February 15 81.6°F

When is the Warmest Sea for Rio Grande?

According to our data for the last three years for Rio Grande the highest average sea water temperature was in February, January and March.

Average Water Temperature by Month, °F

Sea Water Temperature in February

Select Year: 2026 2025 2024

The average sea surface temperature in February 2026 for Rio Grande was 82.8°F. The maximum and minimum values were 79.6°F and 85.4°F respectively.

Sea Water Temperature in January

Select Year: 2026 2025 2024

The average sea surface temperature in January 2026 for Rio Grande was 81.2°F. The maximum and minimum values were 76.2°F and 85.8°F respectively.

Sea Water Temperature in March

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for Rio Grande was 81.7°F. The maximum and minimum values were 76.0°F and 89.4°F respectively.

Best Time to Visit Rio Grande
The most sunny months:
July 14 days
August 12 days
May 12 days
The most warm months:
February 81.7 °F
January 81.2 °F
March 80.3 °F
Warmest sea temperature:
February 82.2 °F
January 81.3 °F
March 80.6 °F
The most cold months:
July 58.9 °F
June 60.9 °F
August 61.1 °F
The most rainy months:
September 6 days
May 4 days
July 3 days
The most windy months:
November 12 mph
December 12 mph
October 12 mph

Rio Grande on the Weather Map

Brazil Resorts:
NAME
Angra dos Reis +76
Buzios +78
Florianopolis +74
Fortaleza +82
Joao Pessoa +82
Maceio +82
Natal +82
Porto Alegre +80
Recife +82
Rio de Janeiro +78
Rio Grande +74
Salvador +84
Santos +78
Sao Paulo +72
Sao Sebastiao +78
24 Hours Weather Forecast
Rio Grande
Local time: 00:13
25 feb, wednesday
0300 74°F
E
6 mph
0600 72°F
NE
11 mph
0900 78°F
NE
18 mph
1200 80°F
N
22 mph
1500 78°F
N
21 mph
1800 76°F
N
19 mph
2100 72°F
N
14 mph
26 feb, thursday
0000 70°F
N
12 mph