February in Glendora is the rainiest month of the year. In February, the weather in Glendora is typically warm. Average daily high temperature in February is about 16 degrees above zero. On average, Glendora has 16 sunny, 8 rainy, 4 partly cloudy, and 1 cloudy day in February. The rains are usually heavy. February as well as January and December is considered the most uncomfortable time to visit Glendora.