February in Nanaimo is the cloudiest month of the year. In February, the weather in Nanaimo is typically cold. Average daily high temperature in February is about 6 degrees above zero. On average, Nanaimo has 23 rainy, 4 cloudy, and 2 sunny days in February. The rains are usually heavy. February as well as January, March, April, and October is considered the most uncomfortable time to visit Nanaimo.