Gladewater is a city located in eastern Texas with a humid subtropical climate. Summers are hot and humid, with temperatures averaging in the mid-90s, while winters are mild with temperatures averaging in the mid-50s. The city is situated near the Sabine River, and the hydrology constituents include the Sabine River, Lake Gladewater, and several creeks. Outdoor recreation opportunities include fishing, boating, and swimming at Lake Gladewater, as well as hiking and camping at Gladewater City Park. The city also hosts the Gladewater Roundup Rodeo, a popular event that features bull riding, barrel racing, and other rodeo events.