Climate of Trieste, Italy
Area-weighted average across Trieste. For where people actually live and travel, see the cities below.
Trieste, a subdivision of Italy, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from 4.1°C / 39.4°F in January to 22.6°C / 72.7°F in August, with rainfall from 71 mm / 2.8 in to 144 mm / 5.7 in depending on the season (1311 mm / 51.6 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 4.1°C39.4°F | 90 mm3.5″ | — |
| February | 5°C41°F | 71 mm2.8″ | — |
| March | 7.6°C45.7°F | 90 mm3.5″ | — |
| April | 11.2°C52.2°F | 107 mm4.2″ | — |
| May | 16.1°C61°F | 106 mm4.2″ | — |
| June | 19.8°C67.6°F | 123 mm4.8″ | — |
| July | 22.4°C72.3°F | 83 mm3.3″ | — |
| August | 22.6°C72.7°F | 106 mm4.2″ | — |
| September | 18.5°C65.3°F | 127 mm5″ | — |
| October | 13.9°C57°F | 142 mm5.6″ | — |
| November | 8.9°C48°F | 144 mm5.7″ | — |
| December | 5.3°C41.5°F | 122 mm4.8″ | — |
Frequently asked questions
What is the best time to visit Trieste?
Trieste, Italy does not have a clear sunny-and-dry window by our cutoffs. The warmest month is August at 22.6°C / 72.7°F, and the driest is February at 71 mm / 2.8 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Trieste?
Trieste, Italy has area-weighted monthly average temperatures ranging from 4.1°C / 39.4°F in January to 22.6°C / 72.7°F in August. Annual rainfall averages about 1311 mm / 51.6 in, with the wettest month being November (144 mm / 5.7 in) and the driest February (71 mm / 2.8 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Trieste?
The hottest month in Trieste is August, with an area-wide average temperature of 22.6°C / 72.7°F.
What is the coldest month in Trieste?
The coldest month in Trieste is January, with an area-wide average temperature of 4.1°C / 39.4°F.
When does it rain most in Trieste?
The wettest month in Trieste is November, averaging about 144 mm / 5.7 in of rainfall. The driest is February with about 71 mm / 2.8 in.