Climate in Trieste: average temperature by month
In Trieste the warmest month is July, with 25.0 °C on average in the afternoon; the coolest is January, with 2.4 °C.
The average of the weather stations Ljubljana Bezigrad (74 km), Sonnblick (168 km) and Zagreb-Gric (172 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | 2.4 °C | 2.0 °C – 3.6 °C |
| February | 5.2 °C | 3.7 °C – 6.8 °C |
| March | 9.6 °C | 7.0 °C – 12.1 °C |
| April | 14.0 °C | 12.2 °C – 16.1 °C |
| May | 18.3 °C | 16.2 °C – 20.6 °C |
| June | 22.9 °C | 20.8 °C – 24.5 °C |
| July | 25.0 °C | 24.4 °C – 25.6 °C |
| August | 24.5 °C | 22.4 °C – 25.4 °C |
| September | 19.6 °C | 16.7 °C – 22.2 °C |
| October | 14.2 °C | 11.7 °C – 16.5 °C |
| November | 7.6 °C | 4.2 °C – 11.4 °C |
| December | 3.0 °C | 2.6 °C – 4.0 °C |