Winters in Popesti-Leordeni are typically cold, with temperatures often below freezing, but occasional warm spells bring temperatures into the mid-teens. Spring arrives slowly, with March being the first month to see consistently mild temperatures, while April and May bring rapid warming, with average highs reaching as high as 25C by May. Summers are warm to hot, with July and August averaging highs of around 38C and 41C respectively. Autumn is generally cool, with temperatures dropping rapidly after September, but occasional warm days still occur in October and November. In winter, temperatures can drop below -10C, while the coldest month on average is January, when temperatures rarely dip below freezing for long periods.