Army Star

Letterkenny Army Depot

U.S. Army Aviation and Missile Command
1 Overcash Ave, Chambersburg, Pennsylvania

In Chambersburg, the summers are warm and humid, the winters are very cold, and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 24°F to 86°F and is rarely below 11°F or above 94°F.


The hot season lasts for 3.6 months, from May 28 to September 16, with an average daily high temperature above 76°F. The hottest day of the year is July 21, with an average high of 86°F and low of 67°F. The cold season lasts for 3.1 months, from December 1 to March 5, with an average daily high temperature below 48°F. The coldest day of the year is January 29, with an average low of 24°F and high of 38°F.


The wetter season lasts 4.7 months, from March 31 to August 22, with a greater than 29% chance of a given day being a wet day. The chance of a wet day peaks at 39% on May 29. The drier season lasts 7.3 months, from August 22 to March 31. The smallest chance of a wet day is 20% on January 28.

Chambersburg, PA

Cost of Living
The overall cost of living in Chambersburg, PA is 3% lower than the Pennsylvania average and 3% lower than the U.S. average. The following categories are used to calculate the overall cost of living index: goods/services (33%), housing (30%), groceries (13%), utilities (10%), transportation (9%) and health care (5%). From the list, it is clear that the categories of goods/services and housing are responsible for the largest portions of the overall cost of living index. As a general rule, everyday goods and services provide an accurate measure of the general cost of goods in any given city. In the case of Chambersburg, PA, the city’s goods and services are 2% lower than the Pennsylvania average and 1% lower than the U.S. average.

Getting to Know the Area
Letterkenny Army Depot is located near the town of Chambersburg, PA in Franklin County.  Harrisburg, the capital of Pennsylvania, is about an hours drive away from base. Franklin County is in south-central Pennsylvania, a rural area in the northern Appalachian Mountains, about an hour north of the Pennsylvania-Maryland Border / the Mason-Dixon Line. This is Pennsylvania Dutch territory containing many Amish communities. Chambersburg hosts many fairs and festivals throughout the year, including the Franklin County Fair, Shippensburg Community Fair, and Shippensburg Corn Festival. The area also has several beautiful parks and playgrounds to explore, such as Caledonia State Park, Cahmbersburg Memorial Park, Henninger Playground, and Mike Waters Memorial park.


Service members and their families can take advantage of Carlisle Barracks MWR programs and events. Visit for more information.


Check out these websites for a list of all of the great events going on in the area.  

County Fair