Current sea water temperature:
+65.1°F
| Minimum sea water temperature in December: | 71.2°F |
| Maximum sea water temperature in December: | 61.3°F |
| Average sea water temperature in December: | 65.4°F |
| more information | |
14 days
forecast
forecast
| Sliema |
monthly
weather
weather
| Sliema |
Sea water temperature for the last 10 days:
| December 14 | 65.1°F | December 9 | 65.1°F |
| December 13 | 65.5°F | December 8 | 65.8°F |
| December 12 | 65.1°F | December 7 | 66.0°F |
| December 11 | 65.5°F | December 6 | 66.6°F |
| December 10 | 64.9°F | December 5 | 66.6°F |
Monthly sea water temperature, °F
When is the warmest sea in Sliema?
Based on the data about daily sea water temperature for the last three years the warmest sea in Sliema was noticed in August, September and July.
Monthly Sea Temperatures in Sliema, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 79.9°F. The highest and lowest sea temperatures during the month were 82.0°F and 77.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 80.7°F. The highest and lowest sea temperatures during the month were 81.7°F and 79.2°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 80.8°F. The highest and lowest sea temperatures during the month were 83.3°F and 77.5°F.
current
weather
weather
| Sliema |
weather in
December
December
| Sliema |
Best time for vacation in Sliema
Sliema on a weather map
Places in Malta:
Name
°F
24 Hours Forecast
Sliema
Local time: 03:15
December 15, monday
0600
61°F
NW
13 mph
13 mph
0900
63°F
NW
14 mph
14 mph
1200
63°F
NW
15 mph
15 mph
1500
63°F
NW
16 mph
16 mph
1800
63°F
NW
17 mph
17 mph
2100
63°F
NW
17 mph
17 mph
December 16, tuesday
0000
63°F
NW
17 mph
17 mph
0300
64°F
NW
17 mph
17 mph
