January in Martínez is the sunniest and the hottest month of the year. In January, the weather in Martínez is typically hot. Average daily high temperature in January is about 29 degrees above zero. On average, Martínez has 18 sunny, 8 rainy, 4 partly cloudy, and 1 cloudy day in January. The rains are usually heavy. January as well as February, June, July, and October is considered the most uncomfortable time to visit Martínez.