Calliham is an

unincorporated community An unincorporated area is a parcel of land that is not governed by a local general-purpose municipal corporation. (At p. 178.) They may be governed or serviced by an encompassing unit (such as a county) or another branch of the state (such as th ...

in northeastern

McMullen County McMullen County is a county located in the U.S. state of Texas. As of the 2020 census, its population was 600, making it the fourth-least populous county in Texas. Its county seat is Tilden. The county was established from parts of Bexar Coun ...

Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...

, United States, along State Highway 72 between Three Rivers and Tilden. Its elevation is 226 feet (69 m), and it is located at (28.4805479, -98.3502895). it has a

post office A post office is a public facility and a retailer that provides mail services, such as accepting letter (message), letters and parcel (package), parcels, providing post office boxes, and selling postage stamps, packaging, and stationery. Post o ...

with the ZIP code 78007.

Climate

The climate in this area is characterized by hot, humid summers and generally mild to cool winters. According to the

Köppen Climate Classification The Köppen climate classification divides Earth climates into five main climate groups, with each group being divided based on patterns of seasonal precipitation and temperature. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (te ...

system, Calliham has a

humid subtropical climate A humid subtropical climate is a subtropical -temperate climate type, characterized by long and hot summers, and cool to mild winters. These climates normally lie on the southeast side of all continents (except Antarctica), generally between ...

, abbreviated "Cfa" on climate maps.Climate Summary for Calliham, Texas
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References

Unincorporated communities in McMullen County, Texas Unincorporated communities in Texas {{McMullenCountyTX-geo-stub