August weather forecast in Halifax

August in Halifax is the warmest month of the year. In August, the weather in Halifax is typically warm. Average daily high temperature in August is about 21 degrees above zero. On average, Halifax has 12 partly cloudy, 9 sunny, 6 rainy, and 4 cloudy days in August. The rains are usually heavy. August as well as July and September is considered the most comfortable time to visit Halifax.