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

73.7

°F

January 8, 17:00

Trend:

stable

Yesterday:

75.2°F

Tomorrow:

74.1°F

Sunrise:

05:40

Sunset:

20:02

Day Length:

14 h. 22 min.

Montevideo in January

Minimum:

71.9°F

Average:

75.2°F

Maximum:

80.1°F

Sea water temperature in Montevideo today

As of now, in Montevideo, the water temperature is 73.7°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.6°F lower 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 considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 75.8°F on 2022, while the historical minimum was 71.5°F on 2025.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 74.7°F, with minimum temperature starting at 74.1°F, while the maximum might reach 75.1°F.

Daily water temperature in Montevideo

Date Current Year

actual* / forecast**

last year 10 years average
Jan 1 80.1°F 71.9°F 75.2°F
Jan 2 79.3°F 71.6°F 74.8°F
Jan 3 78.5°F 72.8°F 75.0°F
Jan 4 76.6°F 72.5°F 74.6°F
Jan 5 75.1°F 72.1°F 74.5°F
Jan 6 75.2°F 71.5°F 74.6°F
Jan 7 75.2°F 71.6°F 74.3°F
Jan 8 73.7°F 71.5°F 74.3°F
Jan 9 74.1°F 72.8°F 74.7°F
Jan 10 74.4°F 73.5°F 75.0°F
Jan 11 74.6°F 73.5°F 75.2°F
Jan 12 74.9°F 73.5°F 75.5°F
Jan 13 75.1°F 73.9°F 75.7°F
Jan 14 75.0°F 73.7°F 75.5°F
Jan 15 74.9°F 73.9°F 75.5°F
Dec 25 78.3°F 72.6°F 73.4°F
Dec 26 76.9°F 72.6°F 73.2°F
Dec 27 78.4°F 72.1°F 73.3°F
Dec 28 77.8°F 71.7°F 73.7°F
Dec 29 79.0°F 70.6°F 74.3°F
Dec 30 79.1°F 71.9°F 74.8°F
Dec 31 80.1°F 71.7°F 74.9°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 77 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 74.5°F in Winter, 67.6°F in Spring, 53.6°F in Summer, and 62.3°F in Autumn.