All data are in degrees Fahrenheit

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Water temperature in Colonia del Sacramento

Detailed information about the current water temperature in Colonia del Sacramento. 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 Colonia del Sacramento now

58.9

°F

May 14, 07:05

Trend:

decreasing

Yesterday:

59.7°F

Tomorrow:

58.5°F

Sunrise:

07:37

Sunset:

17:58

Day Length:

10 h. 21 min.

Colonia del Sacramento in May

Minimum:

75.6°F

Average:

78.4°F

Maximum:

80.7°F

Sea water temperature in Colonia del Sacramento today

As of now, in Colonia del Sacramento, the water temperature is 58.9°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 4.8°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 fall 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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 67.8°F on 2018, while the historical minimum was 59.8°F on 2016.

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 minimum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 57.8°F, the minimum temperature may reach 57.0°F, and the maximum might stay at 58.5°F.

Daily water temperature in Colonia del Sacramento

Date Current Year

actual* / forecast**

last year 10 years average
Apr 30 64.0°F 66.0°F 66.2°F
May 1 63.5°F 65.7°F 65.7°F
May 2 64.1°F 63.4°F 65.3°F
May 3 63.0°F 64.9°F 64.9°F
May 4 63.0°F 65.6°F 64.9°F
May 5 62.9°F 65.3°F 64.9°F
May 6 64.0°F 65.8°F 64.8°F
May 7 64.8°F 66.8°F 64.6°F
May 8 64.8°F 66.5°F 64.7°F
May 9 62.0°F 66.3°F 64.5°F
May 10 59.5°F 65.9°F 64.1°F
May 11 59.3°F 65.5°F 63.7°F
May 12 59.4°F 65.0°F 63.2°F
May 13 59.7°F 66.1°F 63.4°F
May 14 58.9°F 66.6°F 63.7°F
May 15 58.5°F 67.7°F 63.3°F
May 16 58.5°F 67.0°F 63.2°F
May 17 58.0°F 66.5°F 62.7°F
May 18 57.7°F 66.2°F 62.5°F
May 19 57.4°F 64.9°F 62.1°F
May 20 57.4°F 64.3°F 62.1°F
May 21 57.0°F 64.5°F 61.8°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 Colonia del Sacramento by month

In Colonia del Sacramento, the months December through March offer comfortable swimming conditions, which amounts to 111 swimming days.
The warmest water in Colonia del Sacramento was recorded on March 1, 2017, reaching a 84.4°F. While the coldest temperature occurred on July 5, 2025, dipping to 49.5°F. The average readings by season are 77.3°F in Winter, 68.9°F in Spring, 55.8°F in Summer, and 65.7°F in Autumn.