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北海道是日本最寒冷的地区,冬季最低温度可达零下26℃,1月分平均气温为零下11℃,冻结指数为500～1000℃·日,冬季多雪,最大平均积雪深度可达1米以上。该地区在1955年
Hokkaido is the coldest area in Japan with a minimum temperature of minus 26 ℃ in winter, an average temperature of minus 11 ℃ in January and a freezing index of 500-1000 ℃ · day. It is snowy in winter and the maximum average snow depth is up to 1 meter the above. The area was in 1955