All data are in degrees Fahrenheit

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Water temperature in Sliema

Detailed information about the current water temperature in Sliema. 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 Sliema now

66.6

°F

December 5, 15:40

Trend:

decreasing

Yesterday:

67.1°F

Tomorrow:

66.5°F

Sunrise:

06:57

Sunset:

16:48

Day Length:

9 h. 51 min.

Sliema in December

Minimum:

60.2°F

Average:

62.1°F

Maximum:

63.9°F

Sea water temperature in Sliema today

As of now, in Sliema, the water temperature is 66.6°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 0.7°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

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 69.7°F on 2024, while the historical minimum was 65.6°F on 2015.

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 shows a gradual cooling trend. The average temperature is expected to be 65.9°F, the minimum temperature may reach 65.4°F, and the maximum might stay at 66.5°F.

Daily water temperature in Sliema

Date Current Year

actual* / forecast**

last year 10 years average
Nov 21 71.2°F 72.6°F 70.6°F
Nov 22 71.6°F 72.3°F 70.4°F
Nov 23 71.3°F 72.4°F 70.1°F
Nov 24 70.8°F 72.1°F 69.9°F
Nov 25 70.2°F 71.6°F 69.8°F
Nov 26 69.9°F 71.3°F 69.5°F
Nov 27 69.5°F 71.4°F 69.3°F
Nov 28 69.0°F 71.5°F 69.0°F
Nov 29 68.6°F 70.7°F 68.6°F
Nov 30 68.0°F 70.9°F 68.4°F
Dec 1 67.5°F 71.2°F 68.2°F
Dec 2 67.1°F 70.8°F 67.8°F
Dec 3 67.2°F 70.4°F 67.7°F
Dec 4 67.1°F 70.0°F 67.4°F
Dec 5 66.6°F 69.7°F 67.3°F
Dec 6 66.5°F 69.2°F 67.2°F
Dec 7 66.4°F 69.6°F 67.1°F
Dec 8 66.1°F 69.2°F 66.8°F
Dec 9 65.9°F 68.7°F 66.6°F
Dec 10 65.8°F 68.8°F 66.5°F
Dec 11 65.6°F 68.7°F 66.3°F
Dec 12 65.4°F 68.2°F 66.0°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 Sliema by month

In Sliema, the months July through October offer comfortable swimming conditions, which amounts to 141 swimming days.
The warmest water in Sliema was recorded on July 25, 2023, reaching a 85.9°F. While the coldest temperature occurred on April 6, 2022, dipping to 57.8°F. The average readings by season are 62.4°F in Winter, 62.4°F in Spring, 78.0°F in Summer, and 75.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Valletta 66.6°F 1mi
Tarxien 66.6°F 3mi
Avola 66.1°F 77mi

* current water temperature in this city

** straight line distance from Sliema