Winters in South Hill are cold and variable, with temperatures often dropping below freezing in January and February, but also experiencing occasional warmer days. Spring is a time of gradual warming, with March and April seeing significant temperature increases, but still experiencing some chilly nights. Summer brings warm to hot conditions, with June and July being the warmest months, while August's heat is slightly tempered by increased humidity. Autumn sees a return to cooler temperatures, with September and October experiencing mild days and cool nights.