Winters in Istog, Kosovo are harsh and cold, with temperatures often dropping below -20°C in January and February. Spring brings slow warming, with April and May temperatures gradually rising towards average highs of around 22-26°C. Summers are warm to hot, with July and August averaging highs above 30°C, while September cools down slightly before the onset of autumn. Autumn is mild but still cool, with November and December returning to winter-like conditions, often below -10°C.