Camp Dodge Joint Maneuver Training Center
Joint Munitions Command, 185th Regiment
7105 Northwest 70th Avenue, Johnston, IA 50131
In Johnston, the summers are warm, humid, and wet, and the winters are freezing, dry, and windy. It is partly cloudy year round and over the course of the year, the temperature typically varies from 17°F to 86°F and is rarely below -3°F or above 95°F.
The hot season lasts for 3.8 months, from May 25 to September 19, with an average daily high temperature above 76°F. The hottest day of the year is July 20, with an average high of 86°F and low of 68°F. The cold season lasts for 3.1 months, from November 28 to March 1, with an average daily high temperature below 43°F. The coldest day of the year is January 21, with an average low of 17°F and high of 33°F.
The wetter season lasts 5.5 months, from April 5 to September 22, with a greater than 26% chance of a given day being a wet day. The chance of a wet day peaks at 44% on June 7. The drier season lasts 6.5 months, from September 22 to April 5. The smallest chance of a wet day is 8% on January 9.
In Johnston, Iowa the cost of living is 15% higher than the Iowa average, and 2% higher than the national average. The following categories are used when determining the cost of living index for any given city: health care (5%), transportation (9%), utilities (10%), groceries (13%), housing (30%), and goods/services (33%). Housing and goods/services make up the majority of the formula for calculating the cost of living index. Because of this, the general cost of living for any given area can be estimated by looking at the cost of everyday goods in that area. For those living in Johnston, IA, the average cost of goods and services is 7% lower than it is in Iowa, and it is 12% lower than the national average.