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

59.1

°F

October 12, 09:16

Trend:

decreasing

Yesterday:

59.3°F

Tomorrow:

59.0°F

Sunrise:

06:07

Sunset:

18:57

Day Length:

12 h. 50 min.

Montevideo in October

Minimum:

73.1°F

Average:

74.8°F

Maximum:

76.0°F

Sea water temperature in Montevideo today

As of now, in Montevideo, the water temperature is 59.1°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 2.5°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 stay about the same.

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 minimum temperature for this date. The maximum temperature recorded for this date was 63.7°F on 2018, while the historical minimum was 59.3°F on 2020.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 59.9°F, with minimum temperature starting at 59.0°F, while the maximum might reach 60.9°F.

Daily water temperature in Montevideo

Date Current Year

actual* / forecast**

last year 10 years average
Sep 28 57.9°F 59.0°F 59.1°F
Sep 29 58.4°F 59.0°F 59.1°F
Sep 30 57.6°F 60.1°F 59.2°F
Oct 1 57.0°F 61.7°F 59.4°F
Oct 2 57.8°F 61.7°F 59.2°F
Oct 3 58.3°F 63.1°F 59.9°F
Oct 4 57.7°F 63.3°F 59.7°F
Oct 5 58.6°F 64.9°F 60.1°F
Oct 6 59.8°F 64.5°F 60.4°F
Oct 7 60.4°F 63.9°F 60.6°F
Oct 8 60.2°F 63.4°F 60.7°F
Oct 9 60.1°F 64.2°F 60.9°F
Oct 10 59.1°F 64.7°F 61.2°F
Oct 11 59.3°F 63.6°F 61.3°F
Oct 12 59.1°F 63.6°F 61.5°F
Oct 13 59.0°F 64.8°F 61.5°F
Oct 14 59.3°F 65.2°F 61.8°F
Oct 15 59.5°F 64.9°F 62.0°F
Oct 16 59.7°F 64.7°F 62.2°F
Oct 17 60.5°F 64.5°F 62.9°F
Oct 18 60.7°F 64.7°F 63.1°F
Oct 19 60.9°F 66.2°F 63.3°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 78 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, 67.5°F in Spring, 53.6°F in Summer, and 62.3°F in Autumn.