Climate Report Richardson is located in the U.S. Sun Belt. The area enjoys a temperate climate with mild winters and warm summers. Elevation is 620' above sea level at latitude 32º56'53" N and longitude 96º43'46" W. Terrain ranges from flat to gently sloping in most locations. Prevailing winds are from SE and bring moisture from the Gulf of Mexico. Skies are generally sunny to partly cloudy. Northern cool fronts can bring milder weather and dry spells. Local Data More information here. Source: “U.S Climate Normals,” 2006-2020, National Centers for Environmental Information, National Oceanic and Atmospheric Administration.