mean temperature is between -1 °C and 1 °C, Venice 2–3 °C, Trieste 4 °C, Florence 5–6 °C, Rome 7–8 °C, Naples 9 °C, and Cagliari 12 °C. Winter morning lows can occasionally reach -30 °C to -20 °C in the Alps , -14 °C to -8 °C in the Po