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

79.4

°F

June 22, 10:06

Trend:

increasing

Yesterday:

79.4°F

Tomorrow:

79.7°F

Sunrise:

05:46

Sunset:

20:22

Day Length:

14 h. 36 min.

Sliema in June

Minimum:

61.0°F

Average:

62.7°F

Maximum:

64.2°F

Sea water temperature in Sliema today

As of now, in Sliema, the water temperature is 79.4°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 4.5°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

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 78.6°F on 2025, while the historical minimum was 71.1°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 maximum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 80.5°F, with minimum temperature starting at 79.7°F, while the maximum might reach 81.4°F.

Daily water temperature in Sliema

Date Current Year

actual* / forecast**

last year 10 years average
Jun 8 74.7°F 72.8°F 71.5°F
Jun 9 74.4°F 73.4°F 71.9°F
Jun 10 75.8°F 74.3°F 72.4°F
Jun 11 75.7°F 75.8°F 72.7°F
Jun 12 75.9°F 76.3°F 72.9°F
Jun 13 75.1°F 77.1°F 72.9°F
Jun 14 75.6°F 76.7°F 73.0°F
Jun 15 75.4°F 77.7°F 73.3°F
Jun 16 76.1°F 78.7°F 73.7°F
Jun 17 75.3°F 79.1°F 73.7°F
Jun 18 76.7°F 79.5°F 74.0°F
Jun 19 76.9°F 78.7°F 74.2°F
Jun 20 78.5°F 78.4°F 74.4°F
Jun 21 79.4°F 77.8°F 74.9°F
Jun 22 79.4°F 78.6°F 74.9°F
Jun 23 79.7°F 79.4°F 75.2°F
Jun 24 80.2°F 80.1°F 75.7°F
Jun 25 80.3°F 79.6°F 75.8°F
Jun 26 80.5°F 79.7°F 76.0°F
Jun 27 80.7°F 79.7°F 76.2°F
Jun 28 80.8°F 79.6°F 76.3°F
Jun 29 81.4°F 80.3°F 76.9°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, 78.0°F in Summer, and 75.8°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Valletta 78.5°F 1mi
Tarxien 78.5°F 3mi
Avola 76.8°F 77mi

* current water temperature in this city

** straight line distance from Sliema