In November, the weather in Mlada Boleslav is typically cold. Average daily high temperature in November is about 7 degrees above zero. On average, Mlada Boleslav has 17 cloudy, 6 rainy, 4 sunny, and 3 partly cloudy days in November. The rains are usually light. November as well as January, February, and December is considered the most uncomfortable time to visit Mlada Boleslav.