December in Sigulda is the windiest month of the year. In December, the weather in Sigulda is typically freezing. Average daily high temperature in December is about zero. On average, Sigulda has 18 snowy, 8 rainy, 4 cloudy, and 1 sunny day in December. The snowfalls are usually moderate. December as well as March, April, October, and November is considered the most uncomfortable time to visit Sigulda.