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Sea temperature in Italy in December
15°Cmild · monthly average
The sea around Italy averages 15°C in December. Cool — best for confident swimmers or short dips.
Monthly sea temperatures across the year
Best swim months
Jun, Jul, Aug, Sep
Warmest month
August (26°C)
Coolest month
February (13°C)
Best beaches in Italy
Liguria
Vernazza Beach
Tiny harbour cove in Cinque Terre.
Liguria
Riomaggiore Beach
Rocky swim spot below the village.
Liguria
Baia del Silenzio
Pastel-village bay with shallow water.
Liguria
Spiaggia di San Fruttuoso
Abbey-cove reached by foot or boat.
Liguria
Bagni Lido
Long Ligurian Riviera family beach.
Liguria
Spotorno Beach
Sandy Riviera bay.
Tuscany
Forte dei Marmi
Versilia beach with private-stabilimento culture.
Tuscany
Viareggio Beach
Wide Versilia town beach.
Tuscany
Marina di Pietrasanta
Tuscan family resort beach.