Blackburn's winters are cool and variable, with temperatures often below freezing in January and February, but occasionally rising to around 12°C. As spring arrives, temperatures gradually warm up, reaching averages of around 10°C by May. Summer is mild and sunny, with July being the warmest month, although temperatures can still drop to around 11°C on cooler days. Autumn brings a return to cooler conditions, with temperatures ranging from 5-15°C, before dropping again in winter. Overall, Blackburn's climate is relatively stable, with temperatures rarely extreme.