December in Orto-Surt is the most freezing month of the year. In December, the weather in Orto-Surt is typically freezing. Average daily high temperature in December is about 31 degrees below zero. On average, Orto-Surt has 29 cloudy, 1 sunny, and 1 partly cloudy day in December. December as well as January, February, March, and May is considered the most uncomfortable time to visit Orto-Surt.