December in Tanga is the snowiest month of the year. In December, the weather in Tanga is typically freezing. Average daily high temperature in December is about 15 degrees below zero. On average, Tanga has 19 cloudy, 5 partly cloudy, 4 snowy, and 3 sunny days in December. The snowfalls are usually light. December as well as January and February is considered the most uncomfortable time to visit Tanga.