What is the average rainfall in New Mexico?

The average annual precipitation in New Mexico is about 14 inches, but it varies greatly from region to region. The western and southern parts of the state are much drier than the central and eastern parts. The wettest area is the Gila Wilderness in the southwestern part of the state, which receives an average of over 29 inches of rain per year. The driest area is the Jornada del Muerto desert in the southern part of the state, which receives an average of less than 8 inches of rain per year.