Lynn's winters are cold, with temperatures often below freezing and averaging around -1°C in January. Spring brings a slow warming trend, with March temperatures ranging from -12°C to 22°C. Summer is mild, with July and August temperatures averaging around 21-23°C, while September sees a slight drop in temperature before autumn sets in. Autumn is characterized by moderate temperatures, with October averaging around 14°C. Winters are again cold, but not as extreme as those at the start of the year.