On average, Liberal receives of precipitation annually, a majority of which occurs from May to August, and records 58 days of measurable precipitation. Measurable snowfall occurs an average of 8.9 days per year with 6.1 days receiving at least . Snow depth of at least one inch occurs an average of 9.5 days a year. Typically, the average window for freezing temperatures is October 21 through April 14, and that for temperatures below from January 5 to January 24. Liberal is located in USDA Plant Hardiness Zone 7.