Graz experiences a temperate climate with distinct seasonal variations. Winters are chilly, with temperatures often below freezing, but can occasionally rise into double digits. Spring brings mild temperatures, with daily highs sometimes reaching the mid-20s Celsius, while autumns are generally cool to mild, similar to winters. Summers are warm, with average highs in July and August around 20-22°C, although occasional heatwaves can push temperatures into the high 30s.