December in Växjö is the rainiest month of the year. In December, the weather in Växjö is typically cold. Average daily high temperature in December is about 1 degree above zero. On average, Växjö has 21 rainy, 4 snowy, 4 cloudy, and 2 sunny days in December. The rains are usually moderate. December as well as March, October, and November is considered the most uncomfortable time to visit Växjö.