February in Pasadena is the rainiest and the cloudiest month of the year. In February, the weather in Pasadena is typically warm. Average daily high temperature in February is about 17 degrees above zero. On average, Pasadena has 15 sunny, 8 rainy, and 6 partly cloudy days in February. The rains are usually heavy. February as well as December is considered the most uncomfortable time to visit Pasadena.