About Sliema, Tas Sliema's Climate & Weather History

Sliema is a city of approximately 22,600 people in Tas-Sliema, Malta. Located in the Europe/Malta time zone at 35.9°N latitude.

In 2025, Sliema recorded an average annual temperature of 69°F. The hottest temperatures reached 102°F in July; the coolest were 49°F in January. Total precipitation for the year was 19 inches, with the wettest month being October.