15.05
fri
fri
Day

68°F
N 17 mph
Precip.
0%
0%
Night

68°F
N 7 mph
Precip.
100%
100%
16.05
sat
sat
Day

66°F
SE 25 mph
Precip.
0%
0%
Night

63°F
S 24 mph
Precip.
0%
0%
17.05
sun
sun
Day

64°F
SE 4 mph
Precip.
0%
0%
Night

63°F
NW 5 mph
Precip.
0%
0%
18.05
mon
mon
Day

64°F
NE 3 mph
Precip.
0%
0%
Night

64°F
E 10 mph
Precip.
0%
0%
19.05
tue
tue
Day

64°F
SE 15 mph
Precip.
0%
0%
Night

64°F
S 11 mph
Precip.
0%
0%
20.05
wed
wed
Day

66°F
SE 20 mph
Precip.
57%
57%
Night

64°F
NE 6 mph
Precip.
0%
0%
21.05
thu
thu
Day

66°F
E 11 mph
Precip.
0%
0%
Night

66°F
W 6 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 65.6°F. The highest and lowest sea temperatures during the month were 66.7°F and 64.8°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: 23:44
May 16, saturday
0000

68°F
N
7 mph
7 mph
0300

66°F
S
3 mph
3 mph
0600

64°F
S
17 mph
17 mph
0900

66°F
SE
17 mph
17 mph
1200

66°F
SE
25 mph
25 mph
1500

64°F
SE
25 mph
25 mph
1800

64°F
SE
28 mph
28 mph
2100

63°F
SE
27 mph
27 mph

























