Yanjiao, China's climate is characterized by cold winters with temperatures often below freezing, especially in January and February. Spring arrives in March with mild temperatures, gradually warming up through April and May. Summers are warm to hot, with temperatures reaching highs of over 30°C from June to August. Autumn brings a return to cooler temperatures, with September being the warmest month before the onset of winter. Overall, temperature fluctuations throughout the year are significant, with average temperatures ranging from around -5°C in January to 25°C in July and August.