July in Aviemore is the rainiest and the warmest month of the year. In July, the weather in Aviemore is typically warm. Average daily high temperature in July is about 13 degrees above zero. On average, Aviemore has 29 rainy, 1 sunny, and 1 cloudy day in July. The rains are usually heavy. July as well as January, February, March, and April is considered the most uncomfortable time to visit Aviemore.