March in Union Township is the windiest month of the year. In March, the weather in Union Township is typically warm. Average daily high temperature in March is about 10 degrees above zero. On average, Union Township has 10 sunny, 9 rainy, 8 partly cloudy, and 4 cloudy days in March. The rains are usually heavy. March as well as January, February, April, and November is considered the most uncomfortable time to visit Union Township.