With an elevation of around , Gangca County has an alpine
subarctic climate (
Köppen Dwc), with long, very cold, dry, and sunny winters, and short, rainy, mild summers. Average low temperatures are below freezing from late September to mid May; however, due to the wide
diurnal temperature variation, the average high is above freezing from March to November inclusive. Despite frequent rain during summer, when a majority of days sees rain, no month has less than 55% of possible sunshine; with monthly percent possible sunshine ranging from 56% in June to 83% in November, the county seat receives 3,012 hours of bright sunshine annually. The monthly 24-hour average temperature ranges from in January to in July, while the annual mean is . Over 80% of the annual precipitation of is delivered from June to September. ==Transport==