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Oslo County

Oslo County, Norway

Oslo County, Norway © By Ryan Hodnett

Oslo County Sea Temperature

This page provides detailed information about the water temperature in Oslo County, Norway. All countries, cities and resorts on the coast. The range of sea temperatures for today. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Sea Temperature

0.7°C

minimal

0.7°C

average

0.7°C

maximum

Graph of Sea Temperature Changes in Oslo County Over the Last 60 Days

Water temperature in the Oslo County by month

MonthMinimumMaximum
January0°C7°C
February1°C6°C
March1°C7°C
April2°C10°C
May6°C15°C
June11°C19°C
July15°C22°C
August15°C21°C
September12°C19°C
October8°C15°C
November5°C13°C
December1°C9°C

The Warmest Places on the Seaside in Oslo County Today

List of All Coastal Cities in Oslo County

Seas and Oceans that Border Oslo County

Oslo County, Norway

Oslo County, Norway © pexels.com

Norway: List of Regions

Oslo County, NorwayOslo County, NorwayOslo County, Norway

Water Temperature in Oslo County: General Trends and Swimming Opportunities

Original name of the region: Oslo kommune

Oslo County, located at the head of the Oslofjord, experiences relatively mild sea temperatures compared to Norway’s western and northern coasts. During winter, from December to March, water temperatures typically range between 1°C (33.8°F) and 4°C (39.2°F). In particularly cold winters, ice can form in the inner parts of the fjord, especially in sheltered bays and harbors. However, due to the fjord’s connection to the North Sea, complete freezing is rare, and deeper waters remain ice-free year-round.

In summer, from June to August, sea temperatures in the Oslofjord rise significantly, often reaching 16°C (60.8°F) to 20°C (68°F), making it one of the warmest coastal areas in Norway for swimming. Shallow beaches and calm waters contribute to faster warming, attracting many locals and tourists to seaside spots like Huk, Bygdøy, and Hvervenbukta. The relatively warm waters make the region ideal for kayaking, sailing, and other water activities, especially during the peak of summer.

Geographical Location of Oslo County

Frequently Asked Questions About Oslo County and its Water Temperatures

What is the current sea temperature on the coast of Oslo County in Norway?

The sea temperature today on the coast of Oslo County ranges from 33°F (0.7°C) in Oslo to 33°F (0.7°C) in Oslo.

When does the sea in Oslo County in Norway reach a comfortable swimming temperature?

The sea temperature in Oslo County (Norway) never warms up to 70°F (21°C). Its maximum value is 72°F (22°C) in July. It should be noted that the mentioned values apply to the warmest point of the region. In other areas of Oslo County, the values may vary.

What are the most popular seaside resorts in Oslo County?

The most popular place on the coast of Oslo County (Norway), based on our visitors' interest in the water temperature, is city of Oslo.

Which seas and oceans does the Oslo County have access to?

Oslo County (Norway) has access only to the North Sea.