The North Platte River runs through the city, providing a source of hydrology constituents for the area. Outdoor enthusiasts can take advantage of various recreational opportunities such as fishing, kayaking, and rafting on the river. The Casper Mountain area offers hiking, mountain biking, and skiing during the winter months. Additionally, the city has a number of parks and trails for residents and visitors to enjoy. With its diverse outdoor attractions, Casper is a haven for nature lovers seeking adventure and exploration.
Casper receives approximately 318mm of rain per year, with humidity levels near 65% and air temperatures averaging around 9°C. Casper has a plant hardyness factor of 5, 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.