Bologna is situated in the centre of the Italian peninsula, some distance from the sea. Consequently, temperatures tend to be cooler in the winter and warmer in the summer than in many other Italian cities. Precipitation is highest in spring and fall.
| Month | Minimum | Maximum | Precipitation |
| Jan | -2 | 4 | 43 |
| April | 7 | 18 | 66 |
| July | 18 | 29 | 43 |
| Oct | 10 | 19 | 71 |
