Best Time to Visit Trieste
Best time: Jul, May, Jun, Aug.
Jul is warmest (28°C high); Oct is rainiest (116 mm).
Trieste weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 7.7 | 3.1 | 66 | 2 |
| Feb | 8.9 | 3.2 | 56 | 3.3 |
| Mar | 12.4 | 5.6 | 71 | 4.8 |
| Apr | 16.3 | 8.8 | 87 | 6.8 |
| May | 21.8 | 13.6 | 87 | 8.6 |
| Jun | 25.3 | 17.2 | 101 | 9.3 |
| Jul | 28 | 19.7 | 70 | 9.8 |
| Aug | 27.8 | 19.6 | 96 | 8.4 |
| Sep | 23.3 | 15.9 | 107 | 6.2 |
| Oct | 17.9 | 11.8 | 116 | 4 |
| Nov | 12.4 | 7.3 | 113 | 2.2 |
| Dec | 8.8 | 4.2 | 94 | 1.6 |
Average high temperature
Best months by activity
Overall: JulMayJunAug
Beaches: JulAugJun
Hiking: MayMarAprJul
Sightseeing: JulMayJunAug
Trieste quick facts
What to pack
Cold months (Jan, Feb, Dec): warm layers and a coat.
Wet months (Jun, Aug, Sep, Oct, Nov, Dec): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Trieste?
Jul, May, Jun, Aug.
What is the rainiest month?
Oct, about 116 mm.
What is the warmest month?
Jul, with average highs of 28°C.
Where to stay
See Trieste hotels · Book Trieste tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.