In October, the weather in Gremyachinsk is typically cold. Average daily high temperature in October is about 7 degrees above zero. On average, Gremyachinsk has 12 partly cloudy, 7 rainy, 7 sunny, 4 cloudy, and 1 snowy day in October. The rains are usually light. October as well as January, February, and December is considered the most uncomfortable time to visit Gremyachinsk.