Herne's climate is characterized by moderate temperatures with significant fluctuations throughout the year. Winters are cool, with January and February often seeing sub-zero temperatures, but also occasional warmer spells, averaging around 3-5°C. Spring arrives in March, bringing rising temperatures, sometimes reaching up to 26°C, but still quite unpredictable. Summers are warm, with June being the hottest month, averaging 19°C, while July and August remain relatively stable around 18-17°C. Autumn sees a gradual cooling trend, returning to cooler temperatures by November, similar to those experienced in February.