Average monthly water temperature in Triest, Italy

On this page you find the mean water temperature over the year in Triest (Friuli Venezia Giulia), Italy. Discover when the water is at its warmest and coolest, perfect for planning your visit.

Triest experiences water temperature shifts throughout the year. The warmest month, August, reaches an average of 24°C (75°F).

The coldest month, March, averages 9°C (48°F). Visitors during these months can leave their swimming gear at home.

Triest 3-Day Forecast

10-Day Forecast

More climate data for Triest

Temperature Rainfall Sunshine Humidity Water Temp

See the full Triest climate overview or explore weather in Italy.

Travel Inspiration

The 10 most beautiful historical towns in Italy

Discover Italy's top 10 historic towns, featuring breathtaking medieval architecture and deep-rooted history, ideal for enthusiasts of extraordinary cities.

Experience mystical Assisi

Assisi is the most famous town in Umbria and best known because of Saints Francis and Clare of Assisi. Many visitors come to see the breathtaking San Francesco basilica.

The Battle of Oranges

This is one of the most unusual festivals in Italy. The festival is held in the middle of winter during the winter carnival. The entire city of Ivrea near Turin turns into a battlefield.

The most beautiful fishing village of Italy

Portofino is the most beautiful fishing village in Italy and maybe even in the world. We absolutely recommend that you add this beautiful place to your bucket list.

) ?>