Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the BuzzLayer Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
If you are heading to the capital or planning a trip, check the live forecast above for Oslo’s current conditions; the city’s coastal setting near the Oslofjord creates mild summers and cool, snowy winters that vary sharply from inland areas.
What is Oslo’s climate like year round?
Oslo experiences a humid continental climate with strong maritime influence from the fjord. Summers (June–August) are pleasantly warm, with average highs around 20–22°C, while winters (December–February) are cold and snowy, with January lows near –7°C. Precipitation is moderate, with late summer and early autumn seeing the most rain; snow cover typically lasts from December through March.
When is the best time to visit Oslo?
For mild weather and long daylight, June through August are ideal, though July can be busy with festivals. If you prefer winter sports or the Northern Lights, December to February offers snow-covered landscapes and shorter days, but many attractions remain open. Shoulder seasons (May and September) provide fewer crowds and still pleasant conditions for exploring the city’s parks and waterfront.
How does Oslo weather compare to Bergen?
Bergen, on the west coast, is significantly wetter and milder than Oslo due to the Gulf Stream. While Oslo is drier and has colder winters, Bergen receives rain nearly year-round and rarely sees deep snow. For a full picture, see our Canada weather hub for local comparisons.
Does Oslo experience extreme cold in January?
Yes, January is Oslo’s coldest month, with average lows around –7°C, but cold snaps can drop temperatures to –15°C or lower. Wind chill from the fjord can make it feel even colder, so layer clothing if you are visiting during oslo weather january.
How reliable are 14‑day and 30‑day forecasts for Oslo?
Extended forecasts such as oslo weather 14 days or weather oslo 30 days give a general trend but accuracy diminishes after 7 days. For daily planning, rely on the live forecast above and check short-range updates for the most reliable information on weather in oslo 10 days.