When Does the Northwest Passage Freeze?

In mid-August 2016, the southern route through the Passage was nearly ice-free. For most of the year, the Northwest Passage is frozen and impassible. But during the summer months, the ice melts and breaks up to varying degrees.

How cold is it in the Northwest Passage?

Climate in the Northwest Passage

The High Arctic summer can have temperatures as low as 5° C (41° F), but can also reach mid to high 20° C (68° F).

Is the Northwest Passage Open 2020?

The Northwest Passage is largely open, but some ice remains. The Northern Sea route remains open.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.