Measurements:
°C
°F
CURRENT WEATHER
12:15
Rio Grande
78°F
W 11 mph
Feels like: 82°F
Precip: 0%
World Resorts Brazil Rio Grande Weather

7 Day Weather Forecast

03.30
mon
DAY
78°F
W 11 mph
precip
0%
NIGHT
72°F
W 9 mph
precip
0%
03.31
tue
DAY
80°F
SW 17 mph
precip
0%
NIGHT
74°F
W 12 mph
precip
0%
04.01
wed
DAY
80°F
S 12 mph
precip
65%
NIGHT
74°F
SW 8 mph
precip
0%
04.02
thu
DAY
82°F
N 2 mph
precip
0%
NIGHT
74°F
N 1 mph
precip
0%
04.03
fri
DAY
80°F
N 12 mph
precip
0%
NIGHT
72°F
NW 4 mph
precip
0%
04.04
sat
DAY
78°F
N 9 mph
precip
0%
NIGHT
72°F
NW 12 mph
precip
100%
04.05
sun
DAY
72°F
NW 11 mph
precip
100%
NIGHT
70°F
W 16 mph
precip
0%

Rio Grande Sea Water Temperature in March, °F

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Rio Grande was 24.3°F. The maximum and minimum values were 22.4°F and 26.0°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 81.2 °F
March 80.0 °F
Warmest sea temperature:
February 82.2 °F
January 81.3 °F
March 80.3 °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
more details