WEATHER IN Trieste
Climate tables. Data for Trieste.
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -9.0 (1985) | 4.4 | 6.3 | 9.0 | 21.4 (1988) |
| february | -7.2 (2012) | 4.5 | 6.7 | 9.8 | 21.2 (1990) |
| march | -6.4 (2005) | 7.2 | 10.0 | 13.5 | 23.9 (1968) |
| april | 1.2 (2003) | 10.9 | 13.9 | 17.8 | 32.0 (1981) |
| may | 5.0 (1976) | 15.1 | 18.4 | 22.4 | 32.2 (2003) |
| june | 6.8 (2013) | 18.9 | 22.5 | 26.6 | 36.8 (2019) |
| july | 9.6 (1993) | 21.2 | 24.9 | 29.2 | 40.4 (1994) |
| august | 10.0 (1978) | 21.4 | 24.9 | 29.1 | 38.0 (2017) |
| september | 6.2 (1998) | 17.4 | 20.4 | 24.4 | 34.0 (1973) |
| october | 2.0 (1983) | 13.4 | 15.8 | 19.2 | 30.8 (2011) |
| november | -1.3 (1993) | 9.6 | 11.5 | 14.4 | 25.1 (1983) |
| december | -7.2 (1996) | 5.4 | 7.5 | 10.3 | 19.0 (1974) |
| year | () | () |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 54.1 | 0.0 (1851) | 304.0 (1856) | 967.0 (1984) |
| february | 65.5 | 0.0 (1868) | 214.0 (1855) | 51.6 (2005) |
| march | 55.6 | 0.0 (1973) | 209.0 (1928) | 150.0 (1986) |
| april | 68.5 | 0.0 (2007) | 228.0 (1853) | 808.0 (1984) |
| may | 78.5 | 7.0 (1868) | 262.0 (1845) | 83.0 (1982) |
| june | 74.8 | 0.4 (2006) | 274.0 (1886) | 94.0 (1983) |
| july | 55.2 | 5.0 (1948) | 206.0 (1851) | 160.0 (1973) |
| august | 71.6 | 3.0 (1944) | 397.4 (1977) | 600.0 (1987) |
| september | 104.2 | 0.0 (2017) | 279.0 (1926) | 892.0 (1993) |
| october | 107.8 | 0.0 (2017) | 352.0 (1852) | 126.0 (1991) |
| november | 113.2 | 1.0 (1881) | 352.0 (1851) | 60.2 (2016) |
| december | 81.6 | 0.0 (2015) | 235.7 (1981) | 69.0 (1968) |
| year | () | () | () |
Number of days with solid, liquid, and mixed precipitation
| Type of precipitation | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Wind speed, m/s
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different wind directions, %
| direction | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Air humidity, %
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Snow cover
| Month | jul | aug | sep | oct | nov | dec | jan | feb | mar | apr | may | jun | Year |
| number of days | |||||||||||||
| height (sm) | |||||||||||||
| max height (sm) |
Cloudy, score
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| total | |||||||||||||
| low |
Number of clear, cloudy and cloudy days
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| Total cloud | |||||||||||||
| Low cloud | |||||||||||||
Number of days with different phenomena
| phenomenon | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different types of clouds, %
| type of clouds | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |