Purdon, Texas is a small rural community located in Navarro County. Situated in the southern region of the United States, Purdon experiences a humid subtropical climate. Summers are hot and humid, with temperatures often exceeding 90°F (32°C), while winters are mild with occasional cold spells. The area receives an average annual rainfall of around 40 inches, and thunderstorms are common during spring and summer months.

Hydrologically, Purdon lies within the Trinity River Basin. The area is characterized by nearby creeks, streams, and a network of underground aquifers that provide water resources to the community. The Trinity River, which runs through the region, offers opportunities for fishing and boating.

Outdoor recreation opportunities in Purdon are abundant. The local area is surrounded by beautiful countryside and offers opportunities for hiking, camping, and birdwatching. Lake Richland Chambers, located just a short drive from Purdon, is a popular spot for boating, fishing, and water sports. The lake is known for its bass, catfish, and crappie fishing. Additionally, the nearby Richland Creek Wildlife Management Area provides opportunities for hunting, wildlife viewing, and nature photography.