Winters in Crosby are mild and unpredictable, with temperatures fluctuating between freezing point and double digits. January is typically the coldest month, averaging around 4°C, while February's average is a degree warmer. As spring approaches, temperatures gradually rise, with March and April often seeing highs of up to 15°C and 18°C respectively. Summer brings warmth, with July usually being the hottest month, averaging 17°C, although it can occasionally soar into the high 20s and low 30s. Autumn sees a cooling trend, with October's average temperature around 13°C, before dropping back down in November and December.