Measurements:
°C
°F
Montevideo
88°F
NW 16 mph
Feels like: 90°F
Precip: 0%
World Resorts Uruguay Montevideo Weather

Montevideo Sea Water Temperature

Current Sea Water Temperature:
+78.8°F
Maximum Sea Water Temperature in February: 85.4°F
Minimum Sea Water Temperature in February: 73.2°F
Average water temperature in February: 78.9°F

Sea Water Temperature for the Last 10 Days:

February 17 78.8°F February 12 80.8°F
February 16 79.0°F February 11 81.2°F
February 15 79.4°F February 10 80.2°F
February 14 79.8°F February 09 80.4°F
February 13 80.0°F February 08 80.4°F

When is the Warmest Sea for Montevideo?

According to our data for the last three years for Montevideo the highest average sea water temperature was in January, February and December.

Average Water Temperature by Month, °F

Sea Water Temperature in January

Select Year: 2026 2025 2024

The average sea surface temperature in January 2026 for Montevideo was 78.4°F. The maximum and minimum values were 74.8°F and 83.8°F respectively.

Sea Water Temperature in February

Select Year: 2026 2025 2024

The average sea surface temperature in February 2026 for Montevideo was 80.3°F. The maximum and minimum values were 78.8°F and 81.8°F respectively.

Sea Water Temperature in December

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Montevideo was 77.1°F. The maximum and minimum values were 71.0°F and 83.4°F respectively.

Best Time to Visit Montevideo
The most sunny months:
January 22 days
December 21 days
November 20 days
The most warm months:
January 87.6 °F
February 85.9 °F
December 83.6 °F
Warmest sea temperature:
January 79.0 °F
February 78.9 °F
December 75.7 °F
The most cold months:
July 58.0 °F
June 59.8 °F
August 60.6 °F
The most rainy months:
February 5 days
April 4 days
July 4 days
The most windy months:
January 11 mph
November 11 mph
February 11 mph

Montevideo on the Weather Map

24 Hours Weather Forecast
Montevideo
Local time: 15:55
17 feb, tuesday
1800 80°F
NW
14 mph
2100 74°F
W
13 mph
18 feb, wednesday
0000 72°F
W
11 mph
0300 70°F
W
7 mph
0600 68°F
W
6 mph
0900 78°F
W
7 mph
1200 90°F
W
6 mph
1500 96°F
NW
11 mph