There is a version of Valletta that most visitors never see, and it starts about the time the last cruise ships thin out. From November through March the capital stops performing, the cafes on the squares fill with Maltese rather than day-trippers, and the city's extraordinary interiors are suddenly available on your own terms.
The case for the cold months
- Mild, not cold. Winter daytime highs usually sit in the mid-teens Celsius, which locals treat as coat weather and northern Europeans treat as spring
- Rain in bursts. The wet season runs roughly October to February, typically as short heavy showers between long bright spells
- Rooms at a fraction of the July and August rates, in a city where summer prices have climbed hard
- No queue at the sights that define the place
What winter actually gives you
The single best argument is St John's Co-Cathedral. In August it is a slow shuffle; in January you can stand in front of Caravaggio's Beheading of Saint John the Baptist, the largest canvas he ever painted and the only one he signed, for as long as you like. The same is true of the palace state rooms, the Casa Rocca Piccola townhouse and the underground wartime tunnels.
Outside, the light in winter is low and long, which flatters the limestone more than the flat glare of summer. The bastion walk around the city is genuinely pleasant rather than an ordeal, and the Grand Harbour under winter cloud has real drama.