October in Arusha is the windiest month of the year. In October, the weather in Arusha is typically warm. Average daily high temperature in October is about 26 degrees above zero. On average, Arusha has 18 partly cloudy, 7 sunny, and 6 cloudy days in October. October as well as May, June, July, and August is considered the most comfortable time to visit Arusha.