Kiefer is a small town located in Creek County, Oklahoma. It has a humid subtropical climate characterized by hot summers and mild winters. Summers are typically hot with temperatures ranging from the mid-80s to mid-90s Fahrenheit, while winters are mild with temperatures averaging in the mid-40s to mid-50s. The town experiences an average annual rainfall of around 41 inches, with May being the wettest month.

Kiefer is situated near the Arkansas River, which provides hydrological significance to the area. The river plays a vital role in irrigation, water supply, and transportation, benefiting both the town and the surrounding agricultural activities.

Outdoor enthusiasts will find several recreational opportunities in and around Kiefer. The Arkansas River offers fishing and boating opportunities, with species like catfish, bass, and crappie being commonly caught. The nearby Keystone State Park provides more outdoor activities such as camping, hiking, and picnicking, allowing visitors to enjoy the natural beauty of the area. Additionally, Kiefer is surrounded by rolling green landscapes, providing opportunities for walking, jogging, and exploring the countryside.