October in Kohtla-Jarve is the rainiest month of the year. In October, the weather in Kohtla-Jarve is typically cold. Average daily high temperature in October is about 8 degrees above zero. On average, Kohtla-Jarve has 15 rainy, 9 cloudy, 5 partly cloudy, and 2 sunny days in October. The rains are usually moderate. October as well as April, November, and December is considered the most uncomfortable time to visit Kohtla-Jarve.