Zalau's climate is characterized by cold winters, with temperatures often dropping below freezing point, especially in January and February. Spring arrives slowly, with March still quite chilly but April bringing warmer days and a significant increase in temperature. Summer months from June to August are warm, with July being the hottest, but temperatures never get extremely high. Autumn brings a gradual decrease in temperature, with September and October experiencing mild days before winter sets in once more. The annual temperature range is moderate, with average highs and lows not deviating too far from 0°C.