All data are in degrees Fahrenheit

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Water temperature in Montevideo

Detailed information about the current water temperature in Montevideo. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Montevideo now

73.4

°F

December 9, 19:54

Trend:

stable

Yesterday:

73.8°F

Tomorrow:

74.2°F

Sunrise:

05:24

Sunset:

19:50

Day Length:

14 h. 26 min.

Montevideo in December

Minimum:

73.5°F

Average:

75.7°F

Maximum:

78.2°F

Sea water temperature in Montevideo today

As of now, in Montevideo, the water temperature is 73.4°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.6°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 75.4°F on 2022, while the historical minimum was 68.3°F on 2018.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 74.9°F, with minimum temperature starting at 74.2°F, while the maximum might reach 75.3°F.

Daily water temperature in Montevideo

Date Current Year

actual* / forecast**

last year 10 years average
Nov 25 67.7°F 69.8°F 68.8°F
Nov 26 68.3°F 69.9°F 69.0°F
Nov 27 68.6°F 69.9°F 69.3°F
Nov 28 68.4°F 70.5°F 69.6°F
Nov 29 68.2°F 71.1°F 69.7°F
Nov 30 68.3°F 70.8°F 69.7°F
Dec 1 68.5°F 68.6°F 69.7°F
Dec 2 67.4°F 69.1°F 69.8°F
Dec 3 68.9°F 69.7°F 70.1°F
Dec 4 70.8°F 69.1°F 70.3°F
Dec 5 71.2°F 69.5°F 70.4°F
Dec 6 72.7°F 69.6°F 70.6°F
Dec 7 74.1°F 70.0°F 70.7°F
Dec 8 73.8°F 70.3°F 70.8°F
Dec 9 73.4°F 70.2°F 70.8°F
Dec 10 74.2°F 70.6°F 71.6°F
Dec 11 74.6°F 71.2°F 72.0°F
Dec 12 75.0°F 71.6°F 72.4°F
Dec 13 74.9°F 71.2°F 72.3°F
Dec 14 75.3°F 71.0°F 72.6°F
Dec 15 75.2°F 71.8°F 72.6°F
Dec 16 74.9°F 72.3°F 72.3°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Montevideo by month

In Montevideo, the months January through February offer comfortable swimming conditions, which amounts to 80 swimming days.
The warmest water in Montevideo was recorded on March 1, 2017, reaching a 82.4°F. While the coldest temperature occurred on July 9, 2025, dipping to 47.4°F. The average readings by season are 74.4°F in Winter, 67.7°F in Spring, 53.8°F in Summer, and 62.2°F in Autumn.