The temperatures in Trieste in October are usually low and can range between 10°C and 18°C.
You can expect about 3 to 8 days of rain in Trieste during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Trieste in October 2025.
If you’re planning to visit Trieste in the near future, we highly recommend that you review the 14 day weather forecast for Trieste before you arrive.
Temperatures
18° / 10°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
198
mm
Sun Hours
10.0
Hrs
