Trieste weather by month
The best time to visit Trieste, Italy is September. Pick a month for full climate normals and a verdict.
- Januarycold, rainy, clean air62tier C
- Februarycool, a little rain70tier B
- Marchcool, a little rain78tier B
- Aprilcool, rainy, clean air82tier A
- Maynice, soaked, clean air85tier A
- Junewarm, a little rain87tier A
- Julywarm, rainy81tier A
- Augustwarm, rainy79tier B
- Septembernice, soaked, clean air88tier A
- Octobernice, rainy, clean air77tier B
- Novembercool, soaked, clean air65tier C
- Decembercold, soaked, clean air58tier D