The area experiences a humid subtropical climate with warm summers and cold winters. The region is characterized by wetlands, streams, and lakes, making hydrology a significant feature of the area. The Amawalk Reservoir is the major water source for New York City, and the Muscoot Reservoir is a popular spot for fishing and boating. The area is also home to several state parks, including the Muscoot Farm and the Franklin D. Roosevelt State Park, offering numerous outdoor recreational opportunities such as hiking, biking, camping, and nature watching. With its beautiful scenery and diverse wildlife, Amawalk is an ideal destination for outdoor enthusiasts.
Amawalk receives approximately 1303mm of rain per year, with humidity levels near 78% and air temperatures averaging around 11°C. Amawalk has a plant hardyness factor of 6, meaning plants and agriculture in this region thrive during a short period during spring and early summer. Most plants will die off during the colder winter months.