Chester's winters are cold and variable, with temperatures often below freezing but occasionally rising into the mid-teens. Spring is a gradual warming process, with March seeing significant increases in temperature before leveling off in April. Summer days are warm to hot, with highs frequently reaching the mid-30s Celsius, while nighttime lows remain relatively mild. Autumn brings a return to cooler temperatures, with September's warmth giving way to chillier November and December months that often see frosty mornings.