the Northwest Territories Weather by Month — Temperature & Rainfall Guide

the Northwest Territories is a region in Canada. Many people wonder what the weather conditions are in the Northwest Territories over the year. What is the best time to visit the Northwest Territories?

This page shows the average weather conditions by month in the Northwest Territories over the year in: January, February, March, April, May, June, July, August, September, October, November, December.

In January the weather in the Northwest Territories is generally poor. January is a winter month. The average maximum daytime temperatures are very low and range from -22°C (-8°F) in Thaidene Nëné National Park Reserve to -17°C (1°F) in Hay River. On average, this month is one of the coldest months of the year in the Northwest Territories. So be prepared and make sure to dress up warm.

Find more detailed climate information for the Northwest Territories in January here.

In February the weather in the Northwest Territories is generally poor. February is a winter month. The average maximum daytime temperatures are very low and range from -20°C (-4°F) in Thaidene Nëné National Park Reserve to -14°C (7°F) in Fort Simpson. It is a very cold month in some areas, so be prepared and make sure to dress up warm.

Find more detailed climate information for the Northwest Territories in February here.

In March the weather in the Northwest Territories is generally poor. The average maximum daytime temperatures are very low and range from -16°C (3°F) in Inuvik to -5°C (23°F) in Fort Simpson. It is a very cold month in some areas, so be prepared and make sure to dress up warm.

Find more detailed climate information for the Northwest Territories in March here.

In April the weather in the Northwest Territories is generally poor. The temperatures range from very low in Inuvik with -5°C (23°F) to low in Fort Simpson with 7°C (45°F). It is a very cold month in some areas, so be prepared and make sure to dress up warm.

Find more detailed climate information for the Northwest Territories in April here.

In May the weather in the Northwest Territories is generally unpleasant. The temperatures range from low in Thaidene Nëné National Park Reserve with 4°C (39°F) to moderate in Fort Simpson with 17°C (63°F).

Find more detailed climate information for the Northwest Territories in May here.

In June the weather in the Northwest Territories is generally pleasant. June is a summer month. The temperatures range from low in Thaidene Nëné National Park Reserve with 9°C (48°F) to high in Fort Simpson with 23°C (73°F).

Find more detailed climate information for the Northwest Territories in June here.

In July the weather in the Northwest Territories is generally perfect. July is a summer month. The temperatures range from moderate in Thaidene Nëné National Park Reserve with 14°C (57°F) to high in Fort Simpson with 25°C (77°F). On average, this month is the warmest month of the year in the Northwest Territories.

Find more detailed climate information for the Northwest Territories in July here.

In August the weather in the Northwest Territories is generally tolerable. August is a summer month. The temperatures range from moderate in Thaidene Nëné National Park Reserve with 16°C (61°F) to high in Fort Simpson with 22°C (72°F).

Find more detailed climate information for the Northwest Territories in August here.

In September the weather in the Northwest Territories is generally poor. The temperatures range from low in Inuvik with 9°C (48°F) to moderate in Fort Simpson with 15°C (59°F).

Find more detailed climate information for the Northwest Territories in September here.

In October the weather in the Northwest Territories is generally poor. The temperatures range from very low in Inuvik with -3°C (27°F) to low in Hay River with 5°C (41°F). It is a very cold month in some areas, so be prepared and make sure to dress up warm.

Find more detailed climate information for the Northwest Territories in October here.

In November the weather in the Northwest Territories is generally poor. The average maximum daytime temperatures are very low and range from -14°C (7°F) in Inuvik to -6°C (21°F) in Thaidene Nëné National Park Reserve. It is a very cold month in some areas, so be prepared and make sure to dress up warm.

Find more detailed climate information for the Northwest Territories in November here.

In December the weather in the Northwest Territories is generally poor. December is a winter month. The average maximum daytime temperatures are very low and range from -20°C (-4°F) in Inuvik to -14°C (7°F) in Hay River. It is a very cold month in some areas, so be prepared and make sure to dress up warm.

Find more detailed climate information for the Northwest Territories in December here.