Welch, Texas is a small town located in Dawson County in West Texas. The climate in Welch is classified as a semi-arid climate, characterized by hot summers and mild winters. Summers are typically hot, with temperatures often exceeding 90°F (32°C), while winters are generally mild, with temperatures averaging around 50°F (10°C). The region receives low annual precipitation, with most rainfall occurring in the summer months.

Hydrology constituents in Welch are mainly influenced by the surrounding Ogallala Aquifer, which provides water for agricultural and domestic use. Groundwater is the primary source of water in the area, with limited surface water resources. The aquifer plays a crucial role in sustaining the agricultural activities that dominate the local economy.

Welch offers various outdoor recreation opportunities for visitors and residents. The area is known for its vast open spaces, making it ideal for activities such as hiking, camping, and birdwatching. The nearby Lake Alan Henry also provides opportunities for fishing, boating, and water sports. Additionally, the town is situated close to several wildlife management areas, allowing nature enthusiasts to observe and appreciate the diverse flora and fauna of the region.