The climate is one of the most enjoyable aspects of life in Picayune. It allows year round outdoor activities of hunting, fishing, gardening, walking, sports, or simply loafing under your favorite shade tree. While we enjoy a change of seasons, the winters are relatively mild and there are 246 days between killing frosts. We have and annual average of 61 inches of rain and temperature of 66 degrees F. The monthly average high and low temperatures, along with normal rainfall are given below.