January in Titusville is the coldest month of the year. In January, the weather in Titusville is typically warm. Average daily high temperature in January is about 19 degrees above zero. On average, Titusville has 14 partly cloudy, 13 sunny, 3 rainy, and 1 cloudy day in January. The rains are usually light. January as well as February, March, November, and December is considered the most comfortable time to visit Titusville.