August in Aberdeen is the warmest month of the year. In August, the weather in Aberdeen is typically warm. Average daily high temperature in August is about 16 degrees above zero. On average, Aberdeen has 15 rainy, 9 partly cloudy, 4 cloudy, and 3 sunny days in August. The rains are usually heavy. August as well as January, February, March, and April is considered the most uncomfortable time to visit Aberdeen.