April in Oak Creek is the rainiest month of the year. In April, the weather in Oak Creek is typically warm. Average daily high temperature in April is about 10 degrees above zero. On average, Oak Creek has 15 rainy, 6 sunny, 5 cloudy, and 4 partly cloudy days in April. The rains are usually heavy. April as well as March, May, and November is considered the most uncomfortable time to visit Oak Creek.