Northwest Territories Weather, climate and geography

Weather & climate

Best time to visit

The Northwest Territories' climate is cold but relatively dry, with temperate, sunny summers, in which temperatures rarely rise above 25°C (77°F), and long, bitter winters, during which the thermometer can plunge to -40°C (-40°F), especially north of the Arctic Circle.

Required clothing

Winter weather requires down-filled and other polar-temperature gear. Special clothing is required for adventure expeditions. Good-quality windproof and waterproof clothes, warm jerseys, gloves and moulded-sole shoes are needed at all times of the year. In the summer, thinner clothes suffice, although the temperature can drop quickly so you should wear layers. A mosquito net and repellent are essential in some areas during July and August.

Visa and passport information is updated regularly and is correct at the time of publishing. You should verify critical travel information independently with the relevant embassy before you travel.