December in Kelowna averages a daily high of 1.8°C with nights around -2.4°C. Expect roughly 13.9 wet days totalling 48.3mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Kelowna is May–September.
Based on OKANAGAN CENTRE, BC CA (18.7km), 1995–2024. 25 years of December data.