Dyer is an unincorporated small town, located in Fish Lake Valley, Esmeralda County, Nevada, United States. It had a population of 259 as of the 2010 census. The town serves the surrounding area's sparse rural population of mainly ranchers and indigenous Paiute people. The town has a gas station/store, cafe, post office and airport.Dyer is located on State Route 264, near Nevada's border with California. It is 25 miles south of U.S. Route 6 and 15 miles north of Oasis, California. The town is part of the Dyer Census Designated Place.The Köppen Climate System classifies the weather in this area as semi-arid, abbreviated BSk. This climate type occurs primarily on the periphery of true deserts in low-latitude semiarid steppe regions.