December in Regina averages a daily high of -7.4°C with nights around -17.7°C. Expect roughly 9.2 wet days totalling 14.5mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Regina is July–September.
Based on REGINA INTERNATIONAL A, SK CA (3.9km), 1995–2024. 18 years of December data.