February in Palo Alto is the rainiest and the cloudiest month of the year. In February, the weather in Palo Alto is typically warm. Average daily high temperature in February is about 14 degrees above zero. On average, Palo Alto has 12 partly cloudy, 9 sunny, and 8 rainy days in February. The rains are usually heavy. February as well as January and December is considered the most uncomfortable time to visit Palo Alto.