December in Shawnee averages a daily high of 6.8°C with nights around -2.7°C. Expect roughly 4.5 wet days totalling 36.9mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Shawnee is April–May.
Based on KANSAS CITY DOWNTOWN AIRPORT, MO US (14.8km), 1995–2024. 30 years of December data.