Triest Climate by Month
The climate in Triest is marked by big temperature swings throughout the year.
Temperatures range from warm during the warmest months
to cold in the cooler months.
It is also known for its large amounts of rain/snowfall.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
In Triest, temperatures differ significantly between summer and winter months. Typically, daytime temperatures range from a comfortable 28°C in August to a chilly 8°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to 2°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Triest experiences significant rain/snowfall throughout the year, averaging 1484 mm of precipitation annually. The climate in Triest shows significant variation throughout the year. Expect heavy rainfall in November, with an average of 189 mm of precipitation over 13 rainy days. In contrast, July offers drier and sunnier days, with around 81 mm of rainfall over 12 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
For those who appreciate different seasons, Triest serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.7 hours of sunshine daily, and embrace the darker days in December, offering only 2.8 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average water temperature
The mean water temperature over the year in Triest ranges from 9°C in February to 24°C in August.
Water temperature over the year
Average humidity
The relative humidity is low throughout the year in Triest.
Relative humidity over the year
The best time of year to visit Triest in Italy
During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Most rainfall (rainy season) is seen in September, October and November.
August has an average maximum temperature of 28°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 8°C.
November tops the wettest month list with 189 mm of rainfall.
July is the driest month with 81 mm of precipitation.
July is the sunniest month with an average of 290 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
