Trieste monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Trieste

Trieste average temperature chart (Celsius) Trieste average temperature chart (Fahrenheit)
Average monthly temperatures in Trieste (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.4 8.9 12.1 16.4 21.3 24.8 27.7 27.2 23.6 18.3 12.6 8.6
°F 45.3 48.1 53.8 61.5 70.3 76.7 81.8 80.9 74.4 65 54.7 47.4

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Trieste monthly rainfall chart (mm) Trieste monthly rainfall chart (inches)
Average monthly rainfall in Trieste (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 80 73 76 90 87 103 75 100 112 105 117 94
inches 3.2 2.9 3 3.5 3.4 4.1 2.9 3.9 4.4 4.1 4.6 3.7
Rainy days 12 11 11 13 14 14 11 12 11 11 13 12

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Trieste

Trieste average daily sunshine chart
Average daily sunshine Trieste
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.8 5 5.4 6.6 8.1 8.9 10.2 9.4 7.7 6 3.9 3.4

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Trieste average minimum / maximum temperatures (Celsius) Trieste average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Trieste (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.5 2.3 4.5 8 12.1 15.6 17.7 17.4 14.6 10.5 6 2.5
Max °C 7.6 9.1 12.3 16.6 21.5 25.1 27.9 27.4 23.8 18.5 12.8 8.7
Min °F 34.6 36.1 40.1 46.4 53.8 60 63.9 63.3 58.3 50.9 42.8 36.5
Max °F 40.1 42.3 47.1 54.1 62.2 68.5 73 72.3 66.6 58.1 48.9 42.1

Sea temperature

The graph below shows the average sea temperature.

Trieste average sea temperature chart (Celsius) Trieste average sea temperature chart (Fahrenheit)
Average sea temperature around Trieste in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 11.6 10.4 11 13.7 18.1 22.4 25.1 25.6 23 19.6 16.5 13.9
°F 52.9 50.7 51.7 56.6 64.5 72.4 77.2 78.1 73.4 67.3 61.6 57.1

Wind speed

The graph below shows the average wind speed.

Trieste average winspeed by month (km/h) Trieste average winspeed by month (mph)
Average wind speed in Trieste (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 8 8 8 8 7 6 7 7 7 8 8 8
mph 5 5 5 5 4 4 4 4 4 5 5 5

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Trieste relative humidity averages
Average relative humidity in Trieste
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
70% 70% 67% 67% 67% 69% 66% 67% 71% 72% 70% 71%
Trieste

Other monthly averages

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Trieste weather stats

Trieste weather statistics
Hottest month: July 27.7°C 81.9°F
Driest month: February 73mm 2.9ins
Sunniest month: July 10.2hrs
Coldest month: January 7.4°C 45.3°F
Wettest month: November 117mm 4.6ins
Warmest sea: August 25.6°C 78.1°F
Map showing location of Trieste (45.64861, 13.78)

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