Annual Weather Averages in Trieste
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Trieste
High Temp: 84 °F
Low Temp: 39 °F
Mean Temp: 60 °F
Precipitation: 2.90"
Humidity: 66%
Dew Point: 48 °F
Wind: 9 mph
Pressure: 30.00 "Hg
Visibility: 8 mi
January Climate & Weather Averages in Trieste
High Temp: 48 °F
Low Temp: 39 °F
Mean Temp: 44 °F
Precipitation: 2.29"
Humidity: 69%
Dew Point: 33 °F
Wind: 10 mph
Pressure: 30.09 "Hg
Visibility: 7 mi
February Climate & Weather Averages in Trieste
High Temp: 50 °F
Low Temp: 40 °F
Mean Temp: 45 °F
Precipitation: 2.70"
Humidity: 66%
Dew Point: 33 °F
Wind: 10 mph
Pressure: 30.06 "Hg
Visibility: 7 mi
March Climate & Weather Averages in Trieste
High Temp: 56 °F
Low Temp: 45 °F
Mean Temp: 50 °F
Precipitation: 2.16"
Humidity: 64%
Dew Point: 37 °F
Wind: 9 mph
Pressure: 30.01 "Hg
Visibility: 8 mi
April Climate & Weather Averages in Trieste
High Temp: 64 °F
Low Temp: 51 °F
Mean Temp: 57 °F
Precipitation: 2.57"
Humidity: 64%
Dew Point: 45 °F
Wind: 8 mph
Pressure: 29.94 "Hg
Visibility: 8 mi
May Climate & Weather Averages in Trieste
High Temp: 72 °F
Low Temp: 59 °F
Mean Temp: 66 °F
Precipitation: 2.97"
Humidity: 65%
Dew Point: 53 °F
Wind: 7 mph
Pressure: 29.96 "Hg
Visibility: 8 mi
June Climate & Weather Averages in Trieste
High Temp: 80 °F
Low Temp: 66 °F
Mean Temp: 73 °F
Precipitation: 2.43"
Humidity: 64%
Dew Point: 60 °F
Wind: 7 mph
Pressure: 29.96 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Trieste
High Temp: 84 °F
Low Temp: 70 °F
Mean Temp: 77 °F
Precipitation: 2.02"
Humidity: 62%
Dew Point: 63 °F
Wind: 8 mph
Pressure: 29.94 "Hg
Visibility: 9 mi
August Climate & Weather Averages in Trieste
High Temp: 84 °F
Low Temp: 70 °F
Mean Temp: 77 °F
Precipitation: 2.40"
Humidity: 62%
Dew Point: 63 °F
Wind: 8 mph
Pressure: 29.94 "Hg
Visibility: 9 mi
September Climate & Weather Averages in Trieste
High Temp: 76 °F
Low Temp: 63 °F
Mean Temp: 69 °F
Precipitation: 3.89"
Humidity: 64%
Dew Point: 56 °F
Wind: 9 mph
Pressure: 30.00 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Trieste
High Temp: 67 °F
Low Temp: 56 °F
Mean Temp: 61 °F
Precipitation: 3.81"
Humidity: 69%
Dew Point: 50 °F
Wind: 10 mph
Pressure: 30.04 "Hg
Visibility: 8 mi
November Climate & Weather Averages in Trieste
High Temp: 58 °F
Low Temp: 49 °F
Mean Temp: 53 °F
Precipitation: 4.08"
Humidity: 71%
Dew Point: 43 °F
Wind: 10 mph
Pressure: 30.02 "Hg
Visibility: 8 mi
December Climate & Weather Averages in Trieste
High Temp: 51 °F
Low Temp: 42 °F
Mean Temp: 46 °F
Precipitation: 3.45"
Humidity: 68%
Dew Point: 35 °F
Wind: 10 mph
Pressure: 30.08 "Hg
Visibility: 8 mi