December in Newton averages a daily high of 6.1°C with nights around 1.1°C. Expect roughly 19.3 wet days totalling 199.7mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Newton is July–September.
Based on CLOVERDALE EAST, BC CA (11.1km), 1995–2024. 18 years of December data.