Winter in Lucerne is cold and snowy, with temperatures often below freezing, ranging from -24C to 14C on average. As the season progresses, temperatures gradually warm up into early spring, with March and April experiencing mild days with highs around 22C. Summer brings pleasant weather, with June, July, and August averaging high temperatures of 16-17C, while September sees a slight cooling trend. Autumn is cool and crisp, with October and November temperatures ranging from -5C to 19C, before winter returns with chilly conditions from December. Overall, Lucerne's climate is characterized by moderate temperatures throughout the year, although winters can be quite cold.