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Northwest Territories weather in May

Thinking about venturing to Northwest Territories this May and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in Northwest Territories in May?

Northwest Territories is a region in Canada. In May, Northwest Territories experiences a range of weather conditions, with temperatures that range from cold to moderate and precipitation levels ranging from low to moderate.

The average highest temperatures fluctuate between cold in Thaidene Nëné National Park Reserve at 4°C to moderate in Fort Simpson at 17°C. Nighttime temperatures generally drop to 3°C in Fort Simpson and -2°C in Thaidene Nëné National Park Reserve.

In May, precipitation varies across different areas. From low snow/rainfall in Inuvik with an average of 19 mm to moderate snow/rainfall in Fort Simpson with 34 mm. Meanwhile, Inuvik enjoys close to 297 hours of sunlight. This means it's a great month if you prefer bright and sunny days.

For a closer look at May's conditions in Northwest Territories, see the map below. For a more detailed look at Northwest Territories's yearly weather, check out our Northwest Territories climate page.

Where to go in Northwest Territories in May

Find the average weather conditions in May for the most popular destinations in Northwest Territories on the map below. Click on a destination dot for more detailed information.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations in Northwest Territories

What is the weather like in May for the 5 most popular destinations in Northwest Territories?

Average weather in Inuvik

In May Inuvik generally has low temperatures with maximum daytime temperatures around 7°C, minimum nighttime temperatures around -3°C and low monthly snow/rainfall. So on average the conditions are unpleasant that month.

Inuvik
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
-5°C 
-15°C 
246 hours 
13 mm 
9 days 
poor 
7°C 
-3°C 
297 hours 
19 mm 
7 days 
June   >> June
>>  
18°C 
6°C 
377 hours 
32 mm 
7 days 
Climate in Inuvik

Average weather in Yellowknife

In May Yellowknife generally has low temperatures with maximum daytime temperatures around 10°C, minimum nighttime temperatures around -0°C and low monthly snow/rainfall. So on average the conditions are unpleasant that month.

Yellowknife
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
-0°C 
-11°C 
276 hours 
15 mm 
6 days 
poor 
10°C 
-0°C 
335 hours 
22 mm 
6 days 
June   >> June
>>  
17°C 
8°C 
373 hours 
28 mm 
8 days 
Climate in Yellowknife

Average weather in Hay River

In May Hay River generally has low temperatures with maximum daytime temperatures around 11°C, minimum nighttime temperatures around 1°C and low monthly rainfall. So on average the conditions are tolerable that month.

Hay River
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
3°C 
-7°C 
18 mm 
6 days 
poor 
11°C 
1°C 
24 mm 
8 days 
June   >> June
>>  
18°C 
9°C 
33 mm 
9 days 
Climate in Hay River

Average weather in Fort Simpson

In May Fort Simpson generally has moderate temperatures with maximum daytime temperatures around 17°C, minimum nighttime temperatures around 3°C and moderate monthly rainfall. So on average the conditions are tolerable that month.

Fort Simpson
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
7°C 
-7°C 
251 hours 
20 mm 
6 days 
17°C 
3°C 
295 hours 
34 mm 
9 days 
June   >> June
>>  
23°C 
10°C 
313 hours 
60 mm 
11 days 
Climate in Fort Simpson

Average weather in Thaidene Nëné National Park Reserve

In May Thaidene Nëné National Park Reserve generally has low temperatures with maximum daytime temperatures around 4°C, minimum nighttime temperatures around -2°C and low monthly snow/rainfall. So on average the conditions are poor that month.

Thaidene Nëné National Park Reserve
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
-4°C 
-10°C 
18 mm 
7 days 
poor 
4°C 
-2°C 
24 mm 
7 days 
poor 
June   >> June
>>  
9°C 
4°C 
35 mm 
9 days 
poor 
Climate in Thaidene Nëné National Park Reserve

Is your destination not in the list? Have a look at other destinations in Northwest Territories, in Canada.

Is May the best time to visit Northwest Territories?

In our opinion, May may not be the ideal time to visit Northwest Territories due to the typically unpleasant weather in Inuvik.

On average, the best time to visit Northwest Territories is in July with generally perfect weather in Inuvik. The weather in January, February, March, April, September, October, November and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Northwest Territories. Interested in the weather conditions in a specific month? Select the month below.

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