At Kotzebue, northeast of the volcanic field, annual temperatures fluctuate between in July and in January. Annual precipitation there is about , mostly falling during summer. The vegetation belongs to the Bering tundra ecoregion and is not uniform over the area. Green alder thickets and willow grow on the maar benches; at Tempest Lake north of Devil Mountain Maar the vegetation is characterized by a tundra featuring forbs, mosses, sedges and shrubs and is quite dense. Caribou used to be frequent in the area, and there are numerous fish in the maars.