January weather forecast in San Jose

January in San Jose is the sunniest month of the year. In January, the weather in San Jose is typically warm. Average daily high temperature in January is about 21 degrees above zero. On average, San Jose has 9 cloudy, 8 partly cloudy, 7 rainy, and 7 sunny days in January. The rains are usually light. January as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit San Jose.