Average water temperature in Triest

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.

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

Forecast for Triest

Tue Dec 31

11°C | 4°C

2 m/s

clear and no rain

hourly forecast

Wed Jan 01

10°C | 6°C

4 m/s

1.4 mm

overcast and small chance of slight rain

hourly forecast

Thu Jan 02

10°C | 7°C

3 m/s

12 mm

overcast and rain

hourly forecast

5-Day Forecast 10-Day Forecast

Interested in more climate information?

This site provides you with all the information you need about the climate in Triest.

Our site offers climate and forecast data for every country in the world. Are you going to Italy? On this website you can find historical weather averages for many cities in Italy. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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