In October, the weather in Novoaltaysk is typically cold. Average daily high temperature in October is about 5 degrees above zero. On average, Novoaltaysk has 17 cloudy, 9 rainy, 4 sunny, and 1 snowy day in October. The rains are usually moderate. October as well as January, February, April, and December is considered the most uncomfortable time to visit Novoaltaysk.