January in Rivne is the snowiest, the cloudiest, and the most freezing month of the year. In January, the weather in Rivne is typically freezing. Average daily high temperature in January is about 1 degree below zero. On average, Rivne has 17 cloudy, 7 partly cloudy, 4 snowy, 2 sunny, and 1 rainy day in January. The snowfalls are usually moderate. January as well as February, March, November, and December is considered the most uncomfortable time to visit Rivne.