January in Budapest is the snowiest, the cloudiest, and the coldest month of the year. In January, the weather in Budapest is typically cold. Average daily high temperature in January is about 1 degree above zero. On average, Budapest has 11 cloudy, 6 sunny, 5 rainy, 5 snowy, and 4 partly cloudy days in January. The rains are usually moderate. January as well as February and December is considered the most uncomfortable time to visit Budapest.