Mullin, Texas is a small town located in Mills County in the central part of the state. It has a population of approximately 180 people and is known for its rural charm and natural beauty.

The climate in Mullin is classified as humid subtropical, characterized by hot summers and mild winters. Average temperatures range from the mid-90s Fahrenheit (mid-30s Celsius) in the summer to the mid-50s Fahrenheit (around 10 degrees Celsius) during the winter months. Rainfall is relatively evenly distributed throughout the year, with occasional thunderstorms in the summer months.

Hydrology constituents in Mullin primarily consist of the Colorado River, which flows through the town. The river serves as a water source for both residents and local agriculture, and it also provides opportunities for activities such as fishing and boating.

Mullin offers various outdoor recreation opportunities. The Colorado River provides a picturesque setting for fishing enthusiasts, with species such as bass and catfish available for angling. The surrounding countryside is ideal for hiking, camping, and birdwatching, allowing visitors to explore the natural landscapes and observe local wildlife. Overall, Mullin is a peaceful and scenic destination for those seeking outdoor activities in a rural setting.