December in Logan averages a daily high of 1.6°C with nights around -8.6°C. Expect roughly 9.9 wet days totalling 37.5mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Logan is June.
Based on LOGAN RADIO KVNU, UT US (1.8km), 1995–2024. 29 years of December data.