February in Oslo averages a daily high of 1.4°C with nights around -4.4°C. Expect roughly 11.2 wet days totalling 50.2mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Oslo is June–September.
Based on OSLO BLINDERN, NO (3.6km), 1995–2024. 30 years of February data.