Marietta, Ohio is a charming city located in Washington County, along the Ohio River. Its climate is characterized as a humid subtropical climate, with warm summers and cool winters. Summers are typically mild, with temperatures averaging in the mid-80s°F (around 29°C), while winters can be cold, with average temperatures in the mid-30s°F (1-2°C). The area experiences moderate rainfall throughout the year.

Marietta is situated near the confluence of the Ohio and Muskingum rivers, which provide a picturesque setting and numerous hydrological opportunities. The Ohio River is a popular spot for boating, fishing, and water sports, offering opportunities to catch fish like catfish, bass, and sauger. The Muskingum River is known for its scenic beauty and is ideal for kayaking and canoeing, allowing visitors to immerse themselves in nature.

Apart from its hydrological offerings, Marietta boasts various outdoor recreation opportunities. Wayne National Forest is located nearby, offering hiking, biking, and camping opportunities amidst its lush woodlands. The city also has several parks and trails that provide ample opportunities for walking, jogging, and picnicking.

Overall, Marietta, Ohio offers a pleasant climate, access to two rivers, and a range of outdoor recreation options, making it an ideal destination for nature enthusiasts and adventure seekers.