Qostanay's winters are brutally cold, with temperatures often plummeting below -30°C and averaging around -15°C in January and February. As the seasons transition, March brings a slight reprieve, but still averages around -8°C. Spring arrives in April, with temperatures gradually warming up to an average of 6°C, while May and June see a significant jump to pleasant highs, averaging 23°C. Summer months of July and August maintain this warmth, with August even slightly warmer than July, but September's return to autumn brings cooler temperatures, averaging around 12°C. Winters then reassert themselves in October, November, and December, with the latter two months experiencing frigid temperatures below -20°C.