Smithville, Texas is a charming small town located in Bastrop County, known for its pleasant climate and natural beauty. The region experiences a subtropical climate, characterized by hot summers and mild winters. Summers in Smithville are typically hot and humid, with temperatures often reaching the 90s°F (32-37°C), while winters are mild with temperatures averaging in the 50s°F (10-15°C). The area receives moderate rainfall throughout the year, allowing for lush vegetation and varied outdoor activities.

Hydrologically, Smithville is situated near the Colorado River and features several creeks and streams. The Colorado River provides opportunities for recreational activities like fishing, boating, and kayaking. Additionally, the area is home to several small lakes and ponds that offer fishing and boating options.

Smithville boasts an array of outdoor recreation opportunities. The nearby Buescher State Park and Bastrop State Park provide residents and visitors with hiking and biking trails, camping sites, and opportunities for bird-watching. The neighboring Lost Pines Forest offers scenic beauty and is ideal for nature walks and photography. With an abundance of natural resources and a pleasant climate, Smithville, Texas is a haven for outdoor enthusiasts.