Measurements:
°C
°F
Rio Grande
72°F
NW 7 mph
Feels like: 72°F
Precip: 0%
World Resorts Brazil Rio Grande Weather

Rio Grande Sea Water Temperature

Current Sea Water Temperature:
+73.6°F
Maximum Sea Water Temperature in April: 81.8°F
Minimum Sea Water Temperature in April: 68.6°F
Average water temperature in April: 74.2°F

Sea Water Temperature for the Last 10 Days:

April 10 73.6°F April 05 80.6°F
April 09 75.6°F April 04 81.8°F
April 08 78.8°F April 03 80.4°F
April 07 79.8°F April 02 79.6°F
April 06 80.8°F April 01 81.2°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 82.3°F. The maximum and minimum values were 78.6°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: 2026 2025 2024

The average sea surface temperature in March 2026 for Rio Grande was 78.7°F. The maximum and minimum values were 74.8°F and 82.2°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 80.0 °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

Rio Grande on the Weather Map

24 Hours Weather Forecast
Rio Grande
Local time: 16:16
10 apr, friday
1800 66°F
NW
9 mph
2100 64°F
W
8 mph
11 apr, saturday
0000 66°F
W
7 mph
0300 64°F
SW
6 mph
0600 66°F
SW
9 mph
0900 72°F
SW
13 mph
1200 76°F
SW
14 mph
1500 76°F
SW
16 mph