Finnmark County — Water Temperature Today and Throughout the Year
Discover water temperatures in Finnmark County (Norway), with real-time data and annual trends. Find all locations in the region and check the water temperature in them. We find every place where you can swim and show you the water temperature there today and throughout the year.
Sea Water Temperature Along the Coast
Chart of Average Temperature Changes Over the Last 60 Days
Places with the Warmest Sea Water Today
The Most Popular Seaside Places
Coastal Seas and Oceans
Water Temperature in Lakes and Rivers
Popular Lakes
Popular Rivers
Popular Places
Water Temperature and Swimming Overview
Regions and Map
Water Temperature Trends
Finnmark, Norway’s northernmost region, has a rugged Arctic coastline along the Barents Sea, where water temperatures remain cold throughout the year. In winter, from December to March, sea temperatures typically range between 2°C (35.6°F) and 5°C (41°F), with icy winds and harsh weather making swimming nearly impossible except for extreme cold-water enthusiasts. Even in late spring, the water remains frigid, rarely exceeding 6°C (42.8°F) in May.
During summer, Finnmark’s coastal waters warm slightly but still stay cold by most standards. In July and August, the sea temperature generally reaches 8°C (46.4°F) to 12°C (53.6°F), with occasional peaks in shallow and sheltered bays. While these temperatures are too cold for most swimmers without proper gear, the region's breathtaking coastal scenery, fjords, and remote beaches attract adventurous visitors who engage in activities like kayaking and fishing rather than swimming. The cooling influence of Arctic currents keeps Finnmark’s waters significantly colder than those further south along Norway’s coastline.