January in Halifax is the snowiest, the cloudiest, and the most freezing month of the year. In January, the weather in Halifax is typically freezing. Average daily high temperature in January is about 1 degree below zero. On average, Halifax has 11 partly cloudy, 6 snowy, 6 cloudy, 5 sunny, and 3 rainy days in January. The snowfalls are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Halifax.