Nunavut — Water Temperature Today and Throughout the Year

Sea Water Temperature Along the Coast

Places with the Warmest Sea Water Today

The Most Popular Seaside Places

Coastal Seas and Oceans

Water Temperature and Swimming Overview

Water Temperature Trends

Nunavut, located in the northernmost part of Canada, is known for its frigid Arctic waters. The temperature of the sea surrounding Nunavut varies greatly due to its proximity to the Arctic Ocean, with temperatures remaining cold throughout most of the year. In the summer months, the water along the coastline tends to hover around 28°F to 40°F (-2°C to 4°C). These temperatures are far too cold for comfortable swimming, and even in the warmer months, the sea remains ice-cold, posing challenges for those who wish to venture into the water.

During the winter, the sea temperature in Nunavut can drop further, reaching as low as 14°F to 28°F (-10°C to -2°C), depending on the region and ice cover. The waters around Nunavut are often frozen for much of the year, particularly in areas closer to the shore, where sea ice can form and remain intact for several months. This ice, which can range from a thin layer to thick, multi-year ice, is a prominent feature of the landscape, shaping the region's ecosystems and human activities.

The cold waters of Nunavut support unique Arctic marine life, including species like seals, whales, and polar bears, which are adapted to these extreme conditions. While swimming is not a common activity due to the icy temperatures, the waters provide opportunities for ice fishing and scientific research. As a result, the ocean remains a crucial part of the daily life and culture in Nunavut, despite its inhospitable temperatures.