New Haven's winters are cold and unpredictable, with temperatures often dropping below freezing but occasionally rising into the low teens. As spring approaches, temperatures gradually warm up, oscillating between mild highs in the mid-20s and chilly lows around 0°C. Summer brings a moderate warmth, with temperatures usually staying within a narrow range of the mid-20s to low 30s. Autumn sees a return to cooler temperatures, similar to those experienced in spring, but without the same level of variability. By winter's return, New Haven is once again blanketed by cold snaps and occasional warmer interludes.