Jiangjiafan's climate is characterized by mild winters, with temperatures ranging from just below freezing in January and December to slightly warmer in February. Spring arrives with a gradual warming trend, reaching its peak in April and May with average highs often above 20°C. Summer brings consistent warmth, with July being the hottest month, but temperatures rarely exceed 35°C. Autumn is similar to spring, with temperatures dropping back down by October, only to rise again slightly into November before cooling off once more. The coldest months are January and December, while May and June are generally the warmest.