The average height of church towers can vary significantly depending on the architectural style, location, and purpose of the church. However, many church towers range from about 50 to 100 feet (15 to 30 meters) in height. Some smaller churches may have towers that are around 30 feet (9 meters), while larger cathedrals can have towers that reach 200 feet (60 meters) or more, especially in Gothic architecture, where spires can extend even higher.
Overall, while there's no strict average, many considerations influence the height of church towers, leading to a wide range in height across different regions and styles.