Measurements:
°C
°F
Rio Grande
78°F
W 12 mph
Feels like: 80°F
Precip: 0%
World Resorts Brazil Rio Grande Weather

Rio Grande Sea Water Temperature

Current Sea Water Temperature:
+76.4°F
Maximum Sea Water Temperature in March: 89.4°F
Minimum Sea Water Temperature in March: 73.2°F
Average water temperature in March: 80.7°F

Sea Water Temperature for the Last 10 Days:

March 16 76.4°F March 11 82.6°F
March 15 76.0°F March 10 83.8°F
March 14 78.2°F March 09 86.4°F
March 13 81.0°F March 08 88.6°F
March 12 81.2°F March 07 89.4°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

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
14
28
42
56
70
84
98
77
73.2
68.2
62.4
59.2
57.5
60.5
66.2
73.9
80.7
82.1
81.3

Sea Water Temperature in February

Select Year: 2025 2024 2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
73
76
79
82
85
88
91
94

The average sea surface temperature in February 2025 for Rio Grande was 83.6°F. The maximum and minimum values were 80.6°F and 86.4°F respectively.

Sea Water Temperature in January

Select Year: 2025 2024 2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
71
74
77
80
83
86
89
92

The average sea surface temperature in January 2025 for Rio Grande was 80.5°F. The maximum and minimum values were 77.0°F and 84.2°F respectively.

Sea Water Temperature in March

Select Year: 2025 2024 2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
70
74
78
82
86
90
94

The average sea surface temperature in March 2025 for Rio Grande was 83.8°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 81.4 °F
March 80.0 °F
Warmest sea temperature:
February 82.1 °F
January 81.3 °F
March 80.4 °F
The most cold months:
July 59.0 °F
August 61.3 °F
June 61.5 °F
The most rainy months:
September 6 days
May 4 days
August 3 days
The most windy months:
December 13 mph
November 12 mph
October 12 mph

Rio Grande on the Weather Map

Brazil Resorts:
NAME
Angra dos Reis +76
Buzios +84
Florianopolis +80
Fortaleza +84
Itajai +82
Joao Pessoa +86
Natal +82
Recife +86
Rio de Janeiro +84
Rio Grande +78
Salvador +86
Santos +78
Sao Paulo +72
Sao Sebastiao +78
Ubatuba +78
24 Hours Weather Forecast
Rio Grande
Local time: 14:49
16 mar, sunday
1500 78°F
W
12 mph
1800 74°F
W
11 mph
2100 74°F
W
11 mph
17 mar, monday
0000 74°F
W
11 mph
0300 74°F
W
9 mph
0600 74°F
W
7 mph
0900 78°F
NW
8 mph
1200 80°F
NW
11 mph