February in Helsinki averages a daily high of -1°C with nights around -6.1°C. Expect roughly 13 wet days totalling 42.9mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Helsinki is June–August.
Based on HELSINKI KAISANIEMI AWS, FI (0.9km), 1995–2024. 30 years of February data.