December in Airdrie averages a daily high of -2.4°C with nights around -13°C. Expect roughly 8.2 wet days totalling 10.1mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Airdrie is July–September.
Based on NEIR AGDM, AB CA (8.7km), 1995–2024. 18 years of December data.