Do you need to know, when is the best time to go to Northwest Territories? Then you should take a look here, what weather you can expect there during the year.
Northwest Territories is part of Canada. Canada is a huge country, so the climate here varies from temperate in south to subarctic and arctic in north. Winters are sometimes tough, especially in the interior, where the climate is continental. You can expect snow in some places for five months of the year. Southern coastal parts of Canada have a temperate climate, with mild and rainy winters and quite warm summers.
When speaking about the usual weather in this area, the information is relevant for example for these popular places: Hay River, Inuvik, Nahanni National Park Reserve, Tuktoyaktuk, Yellowknife.
Let's look now what weather you can expect in the area around Inuvik and in many other cities. The warmest month here is July, the average maximum temperature is 19.6 ℃ (67.28 ℉). The average minimum temperature in this month is 8.7 ℃ (47.66 ℉). The coldest month here is January, the average maximum temperature is -23.6 ℃ (-10.48 ℉). The average minimum temperature in this month is -31.9 ℃ (-25.42 ℉). The most rainy month here is October, the average number of rainy days is 14.4. The least rainy month here is May, the average number of rainy days is 7. 
When travelling around Northwest Territories, always consider the altitude of the the place as well. We should remind you, that the highest point in Canada is Mount Logan (5959 m) and the lowest point is Atlantic Ocean (0 m). So there are huge differences in altitudes in this country and the weather is very different in them therefore. Keep in mind, that the temperature usually decreases by 1.2 - 1.9 ℃ (2.2 - 3.5 ℉) per 200 m (656 ft), depending on the other conditions. (And we should add, that in the very special condition named thermal inversion even the temperature may be higher in higher altitudes.)
Typical (usual) weather in Northwest Territories in January is this: The average highest temperature in Northwest Territories in January is -23.6 ℃ (-10.48 ℉). The average lowest temperature is -31.9 ℃ (-25.42 ℉). At the beginning of January you can expect higher temperatures, the average highest temperature is around -22.25 ℃ (-8.05 ℉). At the end of January you can expect higher temperatures, the average highest temperature is around -22.65 ℃ (-8.77 ℉). The average number of rainy days in January is 10.9. The average rainfall is 13.8 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately -9223372036854775808:-9223372036854775808 (hours and minutes), in the middle of the month 2:56 and at the end of the month 5:27.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Northwest Territories in February is this: The average highest temperature in Northwest Territories in February is -21.7 ℃ (-7.06 ℉). The average lowest temperature is -30.8 ℃ (-23.44 ℉). At the beginning of February you can expect lower temperatures, the average highest temperature is around -22.65 ℃ (-8.77 ℉). At the end of February you can expect higher temperatures, the average highest temperature is around -19.45 ℃ (-3.01 ℉). The average number of rainy days in February is 10.2. The average rainfall is 11.6 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 5:27 (hours and minutes), in the middle of the month 7:39 and at the end of the month 9:44.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Northwest Territories in March is this: The average highest temperature in Northwest Territories in March is -17.2 ℃ (1.04 ℉). The average lowest temperature is -28.6 ℃ (-19.48 ℉). At the beginning of March you can expect lower temperatures, the average highest temperature is around -19.45 ℃ (-3.01 ℉). At the end of March you can expect higher temperatures, the average highest temperature is around -12.05 ℃ (10.31 ℉). The average number of rainy days in March is 10.5. The average rainfall is 11.2 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 9:44 (hours and minutes), in the middle of the month 11:44 and at the end of the month 13:44.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Northwest Territories in April is this: The average highest temperature in Northwest Territories in April is -6.9 ℃ (19.58 ℉). The average lowest temperature is -18 ℃ (-0.4 ℉). At the beginning of April you can expect lower temperatures, the average highest temperature is around -12.05 ℃ (10.31 ℉). At the end of April you can expect higher temperatures, the average highest temperature is around -0.8 ℃ (30.56 ℉). The average number of rainy days in April is 7.7. The average rainfall is 10.5 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 13:44 (hours and minutes), in the middle of the month 15:47 and at the end of the month 17:59.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.
Typical (usual) weather in Northwest Territories in May is this: The average highest temperature in Northwest Territories in May is 5.3 ℃ (41.54 ℉). The average lowest temperature is -4.4 ℃ (24.08 ℉). At the beginning of May you can expect lower temperatures, the average highest temperature is around -0.8 ℃ (30.56 ℉). At the end of May you can expect higher temperatures, the average highest temperature is around 11.35 ℃ (52.43 ℉). The average number of rainy days in May is 7. The average rainfall is 17.2 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 17:59 (hours and minutes), in the middle of the month 20:36 and at the end of the month -9223372036854775808:-9223372036854775808.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.
Typical (usual) weather in Northwest Territories in June is this: The average highest temperature in Northwest Territories in June is 17.4 ℃ (63.32 ℉). The average lowest temperature is 5.6 ℃ (42.08 ℉). At the beginning of June you can expect lower temperatures, the average highest temperature is around 11.35 ℃ (52.43 ℉). At the end of June you can expect higher temperatures, the average highest temperature is around 18.5 ℃ (65.3 ℉). The average number of rainy days in June is 8.7. The average rainfall is 21.7 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately -9223372036854775808:-9223372036854775808 (hours and minutes), in the middle of the month -9223372036854775808:-9223372036854775808 and at the end of the month -9223372036854775808:-9223372036854775808.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Northwest Territories in July is this: The average highest temperature in Northwest Territories in July is 19.6 ℃ (67.28 ℉). The average lowest temperature is 8.7 ℃ (47.66 ℉). At the beginning of July you can expect lower temperatures, the average highest temperature is around 18.5 ℃ (65.3 ℉). At the end of July you can expect lower temperatures, the average highest temperature is around 17.85 ℃ (64.13 ℉). The average number of rainy days in July is 10.2. The average rainfall is 33 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately -9223372036854775808:-9223372036854775808 (hours and minutes), in the middle of the month -9223372036854775808:-9223372036854775808 and at the end of the month 20:26.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Northwest Territories in August is this: The average highest temperature in Northwest Territories in August is 16.1 ℃ (60.98 ℉). The average lowest temperature is 6 ℃ (42.8 ℉). At the beginning of August you can expect higher temperatures, the average highest temperature is around 17.85 ℃ (64.13 ℉). At the end of August you can expect lower temperatures, the average highest temperature is around 12.05 ℃ (53.69 ℉). The average number of rainy days in August is 13.9. The average rainfall is 40 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 20:26 (hours and minutes), in the middle of the month 17:53 and at the end of the month 15:43.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Northwest Territories in September is this: The average highest temperature in Northwest Territories in September is 8 ℃ (46.4 ℉). The average lowest temperature is -0.2 ℃ (31.64 ℉). At the beginning of September you can expect higher temperatures, the average highest temperature is around 12.05 ℃ (53.69 ℉). At the end of September you can expect lower temperatures, the average highest temperature is around 1.75 ℃ (35.15 ℉). The average number of rainy days in September is 12.3. The average rainfall is 27.9 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 15:43 (hours and minutes), in the middle of the month 13:41 and at the end of the month 11:43.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Northwest Territories in October is this: The average highest temperature in Northwest Territories in October is -4.5 ℃ (23.9 ℉). The average lowest temperature is -11.3 ℃ (11.66 ℉). At the beginning of October you can expect higher temperatures, the average highest temperature is around 1.75 ℃ (35.15 ℉). At the end of October you can expect lower temperatures, the average highest temperature is around -10.55 ℃ (13.01 ℉). The average number of rainy days in October is 14.4. The average rainfall is 27.3 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:43 (hours and minutes), in the middle of the month 9:45 and at the end of the month 7:42.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Northwest Territories in November is this: The average highest temperature in Northwest Territories in November is -16.6 ℃ (2.12 ℉). The average lowest temperature is -25.2 ℃ (-13.36 ℉). At the beginning of November you can expect higher temperatures, the average highest temperature is around -10.55 ℃ (13.01 ℉). At the end of November you can expect lower temperatures, the average highest temperature is around -18.75 ℃ (-1.75 ℉). The average number of rainy days in November is 12.5. The average rainfall is 17.5 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 7:42 (hours and minutes), in the middle of the month 5:31 and at the end of the month 3:02.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Northwest Territories in December is this: The average highest temperature in Northwest Territories in December is -20.9 ℃ (-5.62 ℉). The average lowest temperature is -30.4 ℃ (-22.72 ℉). At the beginning of December you can expect higher temperatures, the average highest temperature is around -18.75 ℃ (-1.75 ℉). At the end of December you can expect lower temperatures, the average highest temperature is around -22.25 ℃ (-8.05 ℉). The average number of rainy days in December is 11.8. The average rainfall is 15.4 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 3:02 (hours and minutes), in the middle of the month -9223372036854775808:-9223372036854775808 and at the end of the month -9223372036854775808:-9223372036854775808.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.| Yellowknife | temperature: - | highest temperature: -19.5 ℃ (-3.1 ℉) | lowest temperature: -27.9 ℃ (-18.22 ℉) | rainfall: 16.4mm | rainy days: 11.7 |
| Inuvik | temperature: - | highest temperature: -20.9 ℃ (-5.62 ℉) | lowest temperature: -30.4 ℃ (-22.72 ℉) | rainfall: 15.4mm | rainy days: 11.8 |