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

79.6

°F

July 6, 00:30

Trend:

increasing

Yesterday:

79.3°F

Tomorrow:

79.9°F

Sunrise:

05:51

Sunset:

20:22

Day Length:

14 h. 31 min.

Sliema in July

Minimum:

60.7°F

Average:

62.5°F

Maximum:

64.5°F

Sea water temperature in Sliema today

As of now, in Sliema, the water temperature is 79.6°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.5°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. 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 83.4°F on 2025, while the historical minimum was 73.4°F on 2018.

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 80.3°F, with minimum temperature starting at 79.9°F, while the maximum might reach 80.8°F.

Daily water temperature in Sliema

Date Current Year

actual* / forecast**

last year 10 years average
Jun 22 79.4°F 78.6°F 75.3°F
Jun 23 79.9°F 79.4°F 75.6°F
Jun 24 80.3°F 80.1°F 76.1°F
Jun 25 80.4°F 79.6°F 76.3°F
Jun 26 80.2°F 79.7°F 76.4°F
Jun 27 80.4°F 79.7°F 76.6°F
Jun 28 81.3°F 79.6°F 76.8°F
Jun 29 81.6°F 80.3°F 77.3°F
Jun 30 82.5°F 81.1°F 77.6°F
Jul 1 81.9°F 81.1°F 77.8°F
Jul 2 81.5°F 81.8°F 78.1°F
Jul 3 80.0°F 81.6°F 78.0°F
Jul 4 79.3°F 81.9°F 78.0°F
Jul 5 79.3°F 82.2°F 77.8°F
Jul 6 79.6°F 83.4°F 78.2°F
Jul 7 79.9°F 83.3°F 78.5°F
Jul 8 79.9°F 82.9°F 78.4°F
Jul 9 80.0°F 82.6°F 78.5°F
Jul 10 80.3°F 81.0°F 78.9°F
Jul 11 80.5°F 80.0°F 79.0°F
Jul 12 80.8°F 79.5°F 79.3°F
Jul 13 80.7°F 79.1°F 79.2°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 June 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 62.5°F in Winter, 62.5°F in Spring, 78.1°F in Summer, and 75.8°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Valletta 79.9°F 1mi
Tarxien 79.9°F 3mi
Avola 80.3°F 77mi

* current water temperature in this city

** straight line distance from Sliema