In December, the weather in Kathmandu is typically warm. Average daily high temperature in December is about 16 degrees above zero. On average, Kathmandu has 15 sunny, 9 partly cloudy, 5 rainy, and 2 cloudy days in December. The rains are usually light. December as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Kathmandu.