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Average climate of Trieste

The climate of Trieste has an average yearly temperature of 20°C. Throughout the year, the average monthly temperature can drop to 10°C and rise to 30°C.

Annually, about 899 mm of rain falls. This gives a good overview of how much rain to expect in Trieste. Additionally, about 3,9 cm of snow falls each year.

The best time to visit Trieste is April until August and October. During this period, you will experience pleasant temperatures and not too much rain, making it ideal to visit Trieste.

Temperature 10 to 30°C
Rain 899 mm
Snow 3,9 cm
The climate of Trieste
  • Average yearly temperature: 20°C
  • Highest temperature: 30°C in July and August
  • Lowest temperature: 10°C in January
  • Precipitation: 899 mm per year, averaging 75 mm per month
  • Driest months: 44 mm in March, 52 mm in January and 56 mm in April
  • Wettest months: 108 mm in November, 107 mm in September and 89 mm in October
  • Snowfall: 3,9 cm per year

Climate table Trieste

The climate table for Trieste shows the average temperatures, precipitation, snowfall, and UV index per month.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime temperature (°C) 10 12 15 18 22 28 30 30 25 20 15 11
Nighttime temperature (°C) 3 4 6 9 13 18 20 20 16 12 8 5
Precipitation (mm) 52 72 44 56 78 66 62 80 107 89 108 85
Snowfall (cm) 1,0 0,9 0,1 0,4 0 0 0 0 0 0 0,3 1,2
UV Index 3 3 5 6 6 6 7 7 5 3 2 2
Best month No No No Yes Yes Yes Yes Yes No Yes No No

Temperature per month in Trieste

This graph shows the average high temperatures in degrees Celsius for each month in Trieste

Temperature per month in Trieste

Precipitation per month in Trieste

This graph shows the average monthly precipitation in millimeters in Trieste.

Precipitation per month in Trieste

Snowfall per month in Trieste

This graph shows the average snowfall in centimeters per month in Trieste.

Snowfall per month in Trieste

UV index per month in Trieste

This graph shows the average UV index per month in Trieste.

UV index per month in Trieste

Yearly temperature in Trieste

This graph shows the average yearly temperature in Trieste, measured in degrees Celsius.

Yearly temperature in Trieste

Yearly total precipitation in Trieste

This graph shows the average yearly precipitation in millimeters in Trieste.

Precipitation per year in Trieste

Yearly snowfall in Trieste

This graph shows the average yearly snowfall in Trieste, measured in centimeters.

Snowfall per year in Trieste

Weather experiences in Trieste

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Average weather in Trieste per month

Click on a month below to see in detail how the weather typically is in Trieste and what to expect. Based on the historical weather data of Trieste, you can view the average temperature, precipitation, wind, and UV index for each day of the month.