Current Sea Water Temperature:
+54.4°F
| Maximum Sea Water Temperature in September: | 66.8°F |
| Minimum Sea Water Temperature in September: | 52.6°F |
| Average water temperature in September: | 58.6°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| September 08 | 54.4°F | September 03 | 56.0°F |
| September 07 | 54.6°F | September 02 | 55.6°F |
| September 06 | 55.6°F | September 01 | 56.2°F |
| September 05 | 56.2°F | August 31 | 54.2°F |
| September 04 | 56.6°F | August 30 | 54.4°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
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 |  |
+60 |
| Cabo Polonio |  |
+52 |
| Ciudad de la Costa |  |
+58 |
| Colonia del Sacramento | |
+56 |
| Faro de Jose Ignacio | |
+52 |
| La Paloma | |
+50 |
| Maldonado | |
+52 |
| Montevideo | |
+56 |
| Piriapolis | |
+52 |
| Punta del Diablo | |
+54 |
| Punta del Este | |
+52 |
| Rivera | |
+58 |
| Salto | |
+60 |
| Treinta y Tres | |
+56 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Montevideo
Local time: 17:24
08 sep, tuesday
| 1800 |  |
56°F | S 2 mph |
| 2100 |  |
50°F | SW 4 mph |
09 sep, wednesday
| 0000 | |
48°F | S 5 mph |
| 0300 | |
44°F | S 6 mph |
| 0600 | |
44°F | S 6 mph |
| 0900 | |
50°F | SW 4 mph |
| 1200 | |
62°F | SW 6 mph |
| 1500 | |
66°F | S 5 mph |