February in Newmarket averages a daily high of -1°C with nights around -11.4°C. Expect roughly 9.9 wet days totalling 51.7mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Newmarket is May–September.
Based on BALDWIN, ON CA (26.9km), 1995–2024. 20 years of February data.