midland–odessa enjoys a climate typical of the resort cities of the southwest united states. the terrain type is described as semi-arid mesquite-mixed grassland subtropical steppe. winters are typically mild with a few seasonable cold spells. in the spring the wind is quite strong and the summer can bring extended heat waves with many consecutive days with highs of 100 degrees or more. the average rainfall of midland–odessa is 14.96 inches. midland–odessa is located in zone 8 according to the usda 2003 plant hardiness map. on average the area experiences 316 days of sunshine a year.