December in Utica averages a daily high of 2.3°C with nights around -5.6°C. Expect roughly 12.1 wet days totalling 127.1mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Utica is May–September.
Based on TRENTON FALLS, NY US (20.4km), 1995–2024. 14 years of December data.