Current Sea Water Temperature:
+58.8°F
| Maximum Sea Water Temperature in September: | 66.8°F |
| Minimum Sea Water Temperature in September: | 52.6°F |
| Average water temperature in September: | 58.5°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| September 28 | 58.8°F | September 23 | 57.6°F |
| September 27 | 59.0°F | September 22 | 57.4°F |
| September 26 | 57.4°F | September 21 | 58.2°F |
| September 25 | 58.0°F | September 20 | 57.0°F |
| September 24 | 57.0°F | September 19 | 56.2°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 |  |
+74 |
| Cabo Polonio |  |
+60 |
| Ciudad de la Costa | |
+68 |
| Colonia del Sacramento | |
+64 |
| Faro de Jose Ignacio | |
+58 |
| La Paloma | |
+62 |
| Maldonado | |
+58 |
| Montevideo | |
+68 |
| Piriapolis | |
+58 |
| Punta del Diablo | |
+60 |
| Punta del Este | |
+58 |
| Rivera | |
+68 |
| Salto | |
+74 |
| Treinta y Tres | |
+62 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Montevideo
Local time: 18:16
28 sep, monday
| 2100 |  |
64°F | W 11 mph |
29 sep, tuesday
| 0000 | |
62°F | W 14 mph |
| 0300 |  |
62°F | SW 4 mph |
| 0600 | |
60°F | W 9 mph |
| 0900 | |
62°F | SW 6 mph |
| 1200 | |
62°F | SE 7 mph |
| 1500 | |
60°F | NE 17 mph |
| 1800 | |
56°F | NE 20 mph |