December in Tetiiv is the windiest month of the year. In December, the weather in Tetiiv is typically freezing. Average daily high temperature in December is about zero. On average, Tetiiv has 20 cloudy, 4 rainy, 4 snowy, and 3 sunny days in December. The rains are usually moderate. December as well as March and November is considered the most uncomfortable time to visit Tetiiv.