In December, the weather in Uherský Ostroh is typically cold. Average daily high temperature in December is about 2 degrees above zero. On average, Uherský Ostroh has 11 cloudy, 10 partly cloudy, 5 rainy, 4 sunny, and 1 snowy day in December. The rains are usually light. December as well as January, February, March, and November is considered the most uncomfortable time to visit Uherský Ostroh.