Jihlava's winters are cold and variable, with temperatures often below freezing in January and February, but sometimes rising into double digits. Spring arrives slowly, with March seeing occasional warm days amidst chilly mornings, while April brings steadier warmth. Summer is mild, with June and July enjoying pleasant highs around 30°C, although nights can still be cool. Autumn returns to a more unpredictable climate, with September experiencing warm spells alongside cooler periods, before the winter chill sets in once more by November.