Saint-Anthony, Iowa is a small town located in the Midwestern United States. It experiences a humid continental climate with four distinct seasons. Summers are warm and humid, with average temperatures ranging from 70°F to 90°F (21°C to 32°C). Winters are cold, with average temperatures ranging from 10°F to 30°F (-12°C to -1°C). Precipitation is evenly distributed throughout the year, with an average annual rainfall of 36 inches (91 cm) and an average annual snowfall of 31 inches (79 cm).

Saint-Anthony is surrounded by beautiful natural features, including several lakes and rivers. The hydrology constituents of the area include the Cedar River and Saylorville Lake. These water bodies provide opportunities for fishing, boating, and other water-based activities. The Cedar River is known for its excellent fishing, particularly for smallmouth bass, walleye, and channel catfish.

In addition to water-based recreation, Saint-Anthony offers various outdoor activities. The town has several parks with trails for hiking, biking, and nature walks. The nearby countryside provides opportunities for hunting and wildlife observation. Saint-Anthony also hosts community events such as summer festivals and sports tournaments, offering residents and visitors a chance to engage in outdoor recreation and enjoy the town's scenic surroundings.