January in Oakey is the rainiest, the windiest, the cloudiest, and the warmest month of the year. In January, the weather in Oakey is typically warm. Average daily high temperature in January is about 27 degrees above zero. On average, Oakey has 9 rainy, 9 sunny, 8 partly cloudy, and 5 cloudy days in January. The rains are usually heavy. January as well as February and December is considered the most uncomfortable time to visit Oakey.