Langenfeld's climate is characterized by mild winters with frequent temperature fluctuations, where temperatures can drop as low as -11°C in February but rise to 12°C in January. Spring arrives slowly, with March and April temperatures gradually warming up to average highs around 7°C. Summer months bring pleasant warmth, with June and July averaging 19°C and 18°C respectively, while autumn sees a return to cooler temperatures, mirroring the winter pattern. The warmest month is May, with an average temperature of 12°C, while December and February are among the coolest, averaging around 5°C.