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

73.5

°F

December 17, 09:09

Trend:

stable

Yesterday:

74.4°F

Tomorrow:

73.7°F

Sunrise:

05:26

Sunset:

19:56

Day Length:

14 h. 30 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 73.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.2°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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 74.5°F on 2015, while the historical minimum was 69.0°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 maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 73.7°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Montevideo

Date Current Year

actual* / forecast**

last year 10 years average
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 71.0°F
Dec 10 73.3°F 70.6°F 71.7°F
Dec 11 72.0°F 71.2°F 72.0°F
Dec 12 72.4°F 71.6°F 72.4°F
Dec 13 74.2°F 71.2°F 72.4°F
Dec 14 75.8°F 71.0°F 72.9°F
Dec 15 75.2°F 71.8°F 72.8°F
Dec 16 74.4°F 72.3°F 72.5°F
Dec 17 73.5°F 71.8°F 72.2°F
Dec 18 73.7°F 73.3°F 72.4°F
Dec 19 73.7°F 73.6°F 72.5°F
Dec 20 73.4°F 73.3°F 72.2°F
Dec 21 73.7°F 73.3°F 72.4°F
Dec 22 73.4°F 72.2°F 72.2°F
Dec 23 73.8°F 74.5°F 72.5°F
Dec 24 73.9°F 73.2°F 72.7°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.