December in Sainte-Foy averages a daily high of -2.8°C with nights around -9.7°C. Expect roughly 14.7 wet days totalling 102.9mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Sainte-Foy is June–September.
Based on STE FOY U. LAVAL, QC CA (0.7km), 1995–2024. 26 years of December data.