December in Chomedey averages a daily high of -0.5°C with nights around -7.5°C. Expect roughly 14.6 wet days totalling 89.6mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Chomedey is May–September.
Based on MONTREAL PIERRE ELLIOTT TRUDEA, QC CA (7.4km), 1995–2024. 16 years of December data.