Somerville is a small town located in Burleson County, Texas. It has a humid subtropical climate, characterized by hot summers and mild winters. The average high temperature during the summer months is around 95°F (35°C), while winter temperatures can drop to 40°F (4°C). Precipitation is evenly distributed throughout the year, with an average annual rainfall of around 40 inches.

The town is situated near the Somerville Lake, which offers various outdoor recreation opportunities. The lake is known for its excellent fishing, with species such as largemouth bass, white bass, catfish, and crappie. Boating and water sports are also popular activities on the lake. Surrounding the lake are several parks and wildlife management areas, providing opportunities for hiking, camping, picnicking, and birdwatching.

The hydrology constituents of Somerville include the Brazos River, which flows through the area and feeds into the Somerville Lake. The lake serves as a reservoir for the region, providing water supply, flood control, and recreational opportunities.

Overall, Somerville offers a pleasant climate, access to water bodies, and a range of outdoor activities, making it an attractive destination for nature lovers and outdoor enthusiasts.