Irakleio's climate is characterized by mild winters, with temperatures ranging from around 0°C in December and January to a relatively warm high of 24°C. Spring brings increasing warmth, with April being the first month to experience daytime highs above 20°C. Summer months are hot, with July and August often reaching scorching highs above 40°C, while nighttime lows remain relatively mild. Autumn is generally cooler, with temperatures dropping back into double digits by October. Winters are generally quite cool, but rarely extreme, with the lowest temperature recorded in December at around -3°C.