February in Arendal is the snowiest, the cloudiest, and the coldest month of the year. In February, the weather in Arendal is typically cold. Average daily high temperature in February is about 2 degrees above zero. On average, Arendal has 14 rainy, 6 partly cloudy, 5 sunny, 3 cloudy, and 1 snowy day in February. The rains are usually moderate. February as well as January, March, October, and November is considered the most uncomfortable time to visit Arendal.