January in Tulsa is the coldest month of the year. In January, the weather in Tulsa is typically cold. Average daily high temperature in January is about 7 degrees above zero. On average, Tulsa has 17 sunny, 12 partly cloudy, and 2 rainy days in January. The rains are usually light. January as well as February, March, and December is considered the most uncomfortable time to visit Tulsa.