Current Sea Water Temperature:
+53.6°F
| Maximum Sea Water Temperature in August: | 61.2°F |
| Minimum Sea Water Temperature in August: | 48.2°F |
| Average water temperature in August: | 54.4°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| August 19 | 53.6°F | August 14 | 52.2°F |
| August 18 | 53.6°F | August 13 | 52.6°F |
| August 17 | 52.8°F | August 12 | 53.0°F |
| August 16 | 52.6°F | August 11 | 53.6°F |
| August 15 | 52.8°F | August 10 | 54.2°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
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
The average sea surface temperature in February 2026 for Montevideo was 79.6°F. The maximum and minimum values were 77.6°F and 81.8°F respectively.
Sea Water Temperature in December
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.
Uruguay Resorts:
NAME
F°
| Artigas |  |
+58 |
| Cabo Polonio |  |
+50 |
| Ciudad de la Costa | |
+48 |
| Colonia del Sacramento |  |
+52 |
| Faro de Jose Ignacio | |
+50 |
| La Paloma | |
+48 |
| Maldonado | |
+50 |
| Montevideo | |
+46 |
| Piriapolis | |
+50 |
| Punta del Diablo | |
+52 |
| Punta del Este | |
+50 |
| Rivera | |
+52 |
| Salto | |
+50 |
| Treinta y Tres |  |
+48 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Montevideo
Local time: 08:42
19 aug, wednesday
| 0900 |  |
46°F | NW 4 mph |
| 1200 | |
54°F | W 7 mph |
| 1500 | |
60°F | SW 2 mph |
| 1800 | |
54°F | NW 4 mph |
| 2100 | |
50°F | SW 6 mph |
20 aug, thursday
| 0000 | |
50°F | W 4 mph |
| 0300 | |
50°F | W 4 mph |
| 0600 | |
50°F | W 4 mph |