Measurements:
°C
°F
Rio Grande
64°F
N 9 mph
Feels like: 64°F
Precip: 0%
World Resorts Brazil Rio Grande Weather

14 Day Weather Forecast

12.16
tue
DAY
76°F
NE 19 mph
precip
0%
NIGHT
64°F
N 9 mph
precip
0%
12.17
wed
DAY
74°F
W 6 mph
precip
0%
NIGHT
68°F
SW 14 mph
precip
0%
12.18
thu
DAY
80°F
SW 8 mph
precip
0%
NIGHT
72°F
S 14 mph
precip
0%
12.19
fri
DAY
82°F
SW 9 mph
precip
0%
NIGHT
74°F
SW 19 mph
precip
0%
12.20
sat
DAY
82°F
SW 19 mph
precip
0%
NIGHT
74°F
SW 11 mph
precip
0%
12.21
sun
DAY
78°F
NW 3 mph
precip
100%
NIGHT
76°F
SW 14 mph
precip
100%
12.22
mon
DAY
84°F
S 15 mph
precip
100%
NIGHT
72°F
N 16 mph
precip
23%
12.23
tue
DAY
76°F
NW 15 mph
precip
0%
NIGHT
70°F
W 9 mph
precip
0%
12.24
wed
DAY
78°F
W 9 mph
precip
0%
NIGHT
70°F
SW 11 mph
precip
0%
12.25
thu
DAY
80°F
SW 9 mph
precip
0%
NIGHT
76°F
SW 14 mph
precip
0%
12.26
fri
DAY
86°F
SW 9 mph
precip
0%
NIGHT
78°F
S 13 mph
precip
0%
12.27
sat
DAY
88°F
SW 7 mph
precip
23%
NIGHT
76°F
SE 8 mph
precip
100%
12.28
sun
DAY
86°F
NE 11 mph
precip
0%
NIGHT
72°F
NE 15 mph
precip
0%
12.29
mon
DAY
76°F
N 14 mph
precip
0%
NIGHT
70°F
W 9 mph
precip
0%

Rio Grande Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Rio Grande was 77.8°F. The maximum and minimum values were 75.2°F and 82.6°F respectively.

Rio Grande on the Weather Map

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 80.3 °F
Warmest sea temperature:
February 82.1 °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:
December 13 mph
November 12 mph
October 12 mph
Brazil Resorts:
NAME
Armacao dos Buzios +76
Buzios +76
Florianopolis +66
Fortaleza +78
Jericoacoara +80
Joao Pessoa +78
Natal +80
Recife +80
Rio de Janeiro +76
Rio Grande +64
Salvador +80
Santos +74
Sao Paulo +70
Unamar +76
Xangri-la +64
24 Hours Weather Forecast
Rio Grande
Local time: 22:45
17 dec, wednesday
0000 64°F
N
9 mph
0300 62°F
NE
7 mph
0600 64°F
NE
6 mph
0900 70°F
SE
2 mph
1200 74°F
W
6 mph
1500 74°F
W
11 mph
1800 70°F
W
14 mph
2100 68°F
SW
15 mph