Monahans, Texas is a small city situated in the western part of the state. The climate in Monahans is characterized as semi-arid, with hot summers and mild winters. Summers experience high temperatures, often exceeding 100°F (38°C), while winters are relatively mild, with average temperatures ranging between 40°F (4°C) and 60°F (16°C).

The hydrology of Monahans is primarily influenced by the surrounding desert environment. The area is located in the Permian Basin, which is known for its oil and gas reserves. As such, water sources in this region are limited, and the community relies on underground aquifers for its water supply.

Monahans offers several outdoor recreation opportunities. The Monahans Sandhills State Park is a popular attraction, where visitors can explore vast sand dunes that cover around 4,000 acres. Activities such as sandboarding, picnicking, hiking, and camping are available in the park. The city also has a public golf course and several parks with amenities for basketball, tennis, and baseball. Monahans is also known for its annual Million Barrel Museum, which showcases the history of oil production in the region.