Winters in Carlisle are cold and often frosty, with temperatures averaging around 2-5°C, occasionally dipping as low as -12°C. As spring arrives, temperatures gradually warm up, reaching an average of 6°C by March and remaining relatively steady until May, when they can spike up to 22°C. Summer months bring warmth, with July and August often seeing highs above 25°C, although the mercury can still drop to around 5-10°C at night. Autumn is mild, with temperatures ranging from 0-15°C, but can be quite cool in November, returning to winter-like conditions by December.