August in Abbotsford is the warmest month of the year. In August, the weather in Abbotsford is typically warm. Average daily high temperature in August is about 20 degrees above zero. On average, Abbotsford has 15 sunny, 9 partly cloudy, 6 rainy, and 1 cloudy day in August. The rains are usually moderate. August as well as July is considered the most comfortable time to visit Abbotsford.