December in Sterling Heights averages a daily high of 3.3°C with nights around -4.2°C. Expect roughly 10.7 wet days totalling 58.6mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Sterling Heights is May–September.
Based on MOUNT CLEMENS ANG BASE, MI US (17.6km), 1995–2024. 29 years of December data.