Laohekou has a
monsoon-influenced, four season
humid subtropical climate (
Köppen Cfa), with cold, damp (but comparatively dry), winters, and hot, humid summers. The monthly 24-hour average temperature ranges from in January to in July, while the annual mean is . A majority of the annual precipitation of occurs from June to September. With monthly percent possible sunshine ranging from 33% in January to 46% in August, the city receives 1,762 hours of bright sunshine annually; January thru March is the cloudiest period of the year. ==Administrative divisions==