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ItalyThe climate of Trieste
The current climate in Trieste features temperatures ranging from a high of 30°C to a low of 11°C throughout the year. The average yearly temperature is around 20°C. At night, temperatures in the colder months average around 4°C and in the warmer months around 20°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Trieste, Italy.
Temperature records
The highest temperature recorded in Trieste in recent years was 38°C in August 2017. The lowest daytime temperature recorded was -3°C in February 2018.
Precipitation and snowfall
On average, Trieste gets 874 mm of precipitation each year. Of this, about 3,4 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Curious about the weather in other parts of Italy? Check out the climate and weather for spots like Tuscany, Sicily, Lake Garda, or explore other destinations in Italy.
Best time to visit Trieste?
The best time to visit Trieste for sunny weather is April through October. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Trieste. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of Trieste
The climate table of Trieste shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 11 | 11 | 14 | 18 | 22 | 28 | 30 | 30 | 25 | 20 | 15 | 11 |
| Temp. min (°C) | 4 | 4 | 6 | 10 | 14 | 19 | 20 | 20 | 17 | 13 | 9 | 5 |
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| Precipitation (mm) | 51 | 78 | 42 | 52 | 78 | 67 | 59 | 80 | 102 | 87 | 96 | 82 |
| Snow (cm) | 0,8 | 1,4 | 0,1 | 0,1 | 0 | 0 | 0 | 0 | 0 | 0 | 0,2 | 0,8 |
| UV Index | 3 | 4 | 5 | 6 | 6 | 6 | 7 | 7 | 5 | 3 | 2 | 2 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
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Temperature charts
These charts display the average temperatures in Trieste, Italy. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Trieste
Yearly Temperature in Trieste
Precipitation charts
These charts show the average amount of precipitation in Trieste, Italy. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Trieste
Total Yearly Precipitation in Trieste
Average Snowfall per Month in Trieste
Total Yearly Snowfall in Trieste
UV index chart
This chart shows the average UV index per month in Trieste, Italy. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Trieste
Weather experiences in Trieste
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Average weather in Trieste by month
Click on a month below to see detailed weather info for Trieste. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.