Measurements:
°C
°F
CURRENT WEATHER
17:24
Rio Grande
56°F
NW 11 mph
Feels like: 54°F
Precip: 64%
World Resorts Brazil Rio Grande Weather

7 Day Weather Forecast

05.22
fri
DAY
58°F
N 9 mph
precip
0%
NIGHT
58°F
NW 9 mph
precip
100%
05.23
sat
DAY
64°F
W 9 mph
precip
100%
NIGHT
60°F
W 7 mph
precip
77%
05.24
sun
DAY
64°F
W 9 mph
precip
0%
NIGHT
60°F
W 9 mph
precip
0%
05.25
mon
DAY
66°F
SW 11 mph
precip
76%
NIGHT
62°F
S 2 mph
precip
0%
05.26
tue
DAY
64°F
N 13 mph
precip
76%
NIGHT
58°F
N 11 mph
precip
0%
05.27
wed
DAY
64°F
N 7 mph
precip
0%
NIGHT
58°F
W 5 mph
precip
0%
05.28
thu
DAY
66°F
SW 6 mph
precip
0%
NIGHT
60°F
SW 7 mph
precip
0%

Rio Grande Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Rio Grande was 16.7°F. The maximum and minimum values were 13.8°F and 21.2°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