In May, the weather in Abbotsford is typically warm. Average daily high temperature in May is about 15 degrees above zero. On average, Abbotsford has 21 rainy, 7 sunny, 2 partly cloudy, and 1 cloudy day in May. The rains are usually heavy. May as well as January, February, March, and April is considered the most uncomfortable time to visit Abbotsford.