18.05
mon
mon
Day
64°F
NW 5 mph
Precip.
0%
0%
Night
63°F
SE 7 mph
Precip.
0%
0%
19.05
tue
tue
Day
64°F
SE 15 mph
Precip.
0%
0%
Night
64°F
SE 14 mph
Precip.
0%
0%
20.05
wed
wed
Day
66°F
SE 14 mph
Precip.
0%
0%
Night
66°F
E 9 mph
Precip.
0%
0%
21.05
thu
thu
Day
66°F
S 7 mph
Precip.
0%
0%
Night
66°F
N 1 mph
Precip.
0%
0%
22.05
fri
fri
Day
68°F
SE 3 mph
Precip.
0%
0%
Night
68°F
E 4 mph
Precip.
0%
0%
23.05
sat
sat
Day
70°F
E 6 mph
Precip.
0%
0%
Night
68°F
NE 6 mph
Precip.
0%
0%
24.05
sun
sun
Day
68°F
E 7 mph
Precip.
0%
0%
Night
68°F
E 7 mph
Precip.
0%
0%
25.05
mon
mon
Day
68°F
E 13 mph
Precip.
0%
0%
Night
68°F
E 11 mph
Precip.
0%
0%
26.05
tue
tue
Day
68°F
E 6 mph
Precip.
0%
0%
Night
68°F
NW 7 mph
Precip.
0%
0%
27.05
wed
wed
Day
70°F
NW 2 mph
Precip.
0%
0%
Night
70°F
E 6 mph
Precip.
0%
0%
28.05
thu
thu
Day
72°F
E 11 mph
Precip.
0%
0%
Night
72°F
E 6 mph
Precip.
0%
0%
29.05
fri
fri
Day
73°F
W 3 mph
Precip.
0%
0%
Night
72°F
N 8 mph
Precip.
0%
0%
30.05
sat
sat
Day
72°F
NW 11 mph
Precip.
0%
0%
Night
72°F
NE 10 mph
Precip.
0%
0%
31.05
sun
sun
Day
72°F
W 14 mph
Precip.
0%
0%
Night
72°F
W 12 mph
Precip.
0%
0%
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 65.7°F. The highest and lowest sea temperatures during the month were 66.7°F and 64.8°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 76.4°F. The highest and lowest sea temperatures during the month were 81.1°F and 69.8°F.
Air temperature in Sliema, °F
Precipitation total in Sliema, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Sliema
Sliema on a weather map
Places in Malta:
Name
°F
24 Hours Forecast
Sliema
Local time: 03:32
May 18, monday
0600
61°F
NE
4 mph
4 mph
0900
63°F
NW
3 mph
3 mph
1200
64°F
NW
5 mph
5 mph
1500
64°F
W
3 mph
3 mph
1800
64°F
S
6 mph
6 mph
2100
64°F
SE
7 mph
7 mph
May 19, tuesday
0000
63°F
SE
7 mph
7 mph
0300
63°F
E
10 mph
10 mph
