October in Umiujaq is the rainiest month of the year. In October, the weather in Umiujaq is typically cold. Average daily high temperature in October is about 3 degrees above zero. On average, Umiujaq has 23 rainy, 4 cloudy, 3 snowy, and 1 sunny day in October. The rains are usually heavy. October as well as January, February, March, and May is considered the most uncomfortable time to visit Umiujaq.