February in The Dalles is the rainiest and the cloudiest month of the year. In February, the weather in The Dalles is typically cold. Average daily high temperature in February is about 5 degrees above zero. On average, The Dalles has 12 rainy, 9 cloudy, 4 sunny, and 4 partly cloudy days in February. The rains are usually light. February as well as January, March, November, and December is considered the most uncomfortable time to visit The Dalles.