August weather forecast in Fall River

August in Fall River is the sunniest month of the year. In August, the weather in Fall River is typically warm. Average daily high temperature in August is about 24 degrees above zero. On average, Fall River has 18 sunny, 9 partly cloudy, and 4 rainy days in August. The rains are usually light. August as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Fall River.