Piatra Neamt's winters are long and cold, with temperatures often below freezing point from January to March, averaging around 0-2°C. As spring approaches, the temperatures rise gradually, reaching averages of 6-13°C in April and May. Summers are warm to hot, with July being the hottest month, averaging 21°C, while August's average temperature is slightly lower at 18°C. Autumn brings a return to cooler temperatures, ranging from 5-7°C on average, before dropping again into winter.