Average monthly water temperature in Oslo, Norway
On this page you find the mean water temperature over the year in Oslo (Oslo County), Norway. Understand how water temperatures vary throughout the year.
In Oslo, cooler water temperatures are a year-round feature. The warmest month is July, averaging 16°C (61°F).
The coldest month, February, sees averages of 2°C (36°F). This does not make it a great month for visitors who enjoy swimming.
Oslo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Oslo - and find the best time to visit.
Oslo 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Oslo climate overview or explore weather in Norway.
Popular this month
Where to go in July - average daytime high across popular destinations.
Oslo
22°C (72°F) Kristiansand
20°C (68°F) Trondheim20°C (68°F) Stavanger
18°C (64°F) Bergen
19°C (66°F) Hemsedal
17°C (63°F) Tromsø17°C (63°F) Reine14°C (57°F) 
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