Changsha experiences a humid subtropical climate (Köppen Cfa), with annual average temperature being 17.0 °C (62.6 °F), with a mean of 4.6 °C (40.3 °F) in January and 29.0 °C (84.2 °F) in July. Average annual precipitation is 1,330 millimetres (52 in), and the yearly frost-free period is 275 days.
The four seasons are distinct. The summers are long and hot, with heavy rainfall, and autumn is comfortable with abundant sunlight. Winter is comparatively dry (but somewhat damp and overcast) and rather brief, but cold snaps occur with temperatures occasionally dropping below freezing.
Changsha neighboring areas include: Jiangxi province, cities and counties of Hunan, such as Tonggu County, Wanzai County, Yichun City, Pingxiang City of Jiangxi province. Pingjiang County, Miluo city, Xiangyin County of Yueyang; Heshan District, Taojiang County, Anhua County of Yiyang; Lianyuan city of Loudi; Zhuzhou County, Liling City of Zhuzhou; Xiangtan County, Xiangxiang city of Xiangtan
