February in Allentown is the cloudiest month of the year. In February, the weather in Allentown is typically cold. Average daily high temperature in February is about 2 degrees above zero. On average, Allentown has 9 partly cloudy, 8 rainy, 6 sunny, 5 cloudy, and 1 snowy day in February. The rains are usually moderate. February as well as January, March, and December is considered the most uncomfortable time to visit Allentown.