Letha Real EstateLetha is located in Idaho. Letha, Idaho has a population of 0. The county average for households married with children is 20.35%. The median household income for the surrounding county is $42,888 compared to the national median of $57,652. Letha WeatherThe average high temperature in July is 90.3 degrees, with an average low temperature in January of 22.4 degrees. The average rainfall is approximately 12.6 inches per year, with 13.6 inches of snow per year. Letha MapReal estate near LethaNearby CitiesNearby Cities Homes for Sale |