December in Jonesboro averages a daily high of 10°C with nights around -0.4°C. Expect roughly 9.8 wet days totalling 123.6mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Jonesboro is April–May.
Based on JONESBORO 3 SSE, AR US (4.9km), 1995–2024. 30 years of December data.