January in Oklan is the windiest, the sunniest, and the most freezing month of the year. In January, the weather in Oklan is typically freezing. Average daily high temperature in January is about 21 degrees below zero. On average, Oklan has 9 sunny, 9 cloudy, 9 partly cloudy, and 4 snowy days in January. The snowfalls are usually light. January as well as February, March, May, and September is considered the most uncomfortable time to visit Oklan.