Trieste Weather & Climate: Best Time to Visit

Trieste, Friuli Venezia Giulia, Italy, experiences significant temperature variation throughout the year. Summers bring daytime highs of 28°C (82°F) in August, while winters cool to 8°C (46°F) in January.

With around 1494 mm (59 in) of annual rain/snowfall, Trieste has a notably wet climate. The wettest month is November. The sunniest month is July, with 9.7 hours of sunshine per day on average.

Monthly Temperature in Trieste

Depending on the time of the year, temperatures range from comfortable to chilly in Trieste. Average daytime temperatures reach a comfortable 28°C (82°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 8°C (46°F).

At night, temperatures range from around 19°C (66°F) in August to 2°C (36°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Trieste

Trieste has a relatively rain/snowy climate with high precipitation levels, averaging 1494 mm (59 in) of rain/snowfall annually. Trieste can be quite wet during November, receiving approximately 188 mm (7.4 in) of precipitation over 13 rainy days.

In contrast, during the driest month (July), you will experience much drier conditions, with 83 mm (3.3 in) of precipitation spread across 12 rainy days days. For more details, please visit our Trieste Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Sunshine Hours in Trieste

Trieste can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.7 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.8 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.