What’s the climate like in 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.
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.
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.
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Precipitation |  |
|
|
|
|
|
|
|
|
|
|
|
| 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.
- Average yearly temperature: 20°C
- Highest temperature: 30°C in July and August
- Lowest temperature: 11°C in January, February and December
- Precipitation*: 874 mm per year, averaging 73 mm per month
- Snowfall: 3,4 cm per year
- Driest months: 42 mm in March, 51 mm in January and 52 mm in April
- Wettest months: 102 mm in September, 96 mm in November and 87 mm in October
*Precipitation is measured as a combination of rain, snow, and hail
Plan your next vacation
Don’t miss the best vacation deals for Trieste and see what our partners have for you.
Table of Contents
Average Temperature per Month in Trieste
This graph shows the average maximum temperatures per month in Trieste, Italy. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Trieste
This graph shows how much rainfall Trieste, Italy, gets on average per month. Rainfall is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of rainfall is measured in millimeters, and the average is calculated based on the recorded rainfall per month from past years.
Average Snowfall per Month in Trieste
This graph shows how much snow Trieste, Italy, gets on average per month. The amount of snowfall is measured in centimeters and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Trieste
This graph 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.
Yearly Temperature in Trieste
This graph shows the average yearly temperature in Trieste, Italy. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Trieste
This chart shows the total yearly precipitation in Trieste, Italy, over the past few years. The total yearly precipitation, measured in millimeters, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Trieste
This chart shows the total yearly snowfall in Trieste, Italy, over the past few years. The total yearly snowfall, measured in centimeters, is the sum of all the snow that fell in the twelve months of that year.
Weather experiences in Trieste
Have you been to Trieste?
Share your weather experiences in Trieste.
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.
Popular destinations in Italy
Discover the climate of these popular destinations in Italy.
