December in Sherwood Park averages a daily high of -4.8°C with nights around -13.2°C. Expect roughly 5.1 wet days totalling 11.7mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Sherwood Park is May–September.
Based on EDMONTON MUNICIPAL CR10, AB CA (14.2km), 1995–2024. 28 years of December data.