Pervomaisk's climate is characterized by mild springs and autumns, with temperatures gradually warming up from March to July. The summer months bring warm weather, with average highs ranging from 20-33°C in June-July-August. As the seasons shift towards autumn, temperatures drop significantly, often below freezing by November. Winters are cold, with temperatures rarely rising above 0°C from December to February. In general, temperature fluctuations are moderate throughout the year, with occasional warm spells in winter and cool snaps in summer.