Winters in Jyvaskyla are long and cold, with temperatures often plummeting below -30°C in January and February. The brief spring brings moderate temperatures, ranging from 0-10°C, by March and April. Summer is mild, with highs reaching up to 33°C in June and 31°C in July, while August sees a slight cooling of the air. Autumn is cool, with temperatures dropping back down to around -8°C by October, before rising again slightly into November. The cold returns for December, mirroring January's lows.