January in Tamworth is the hottest month of the year. In January, the weather in Tamworth is typically hot. Average daily high temperature in January is about 31 degrees above zero. On average, Tamworth has 14 sunny, 8 rainy, 6 partly cloudy, and 3 cloudy days in January. The rains are usually heavy. January as well as February, June, July, and December is considered the most uncomfortable time to visit Tamworth.