Click on a day for an hourly weather forecast
The weather in Northwest Territories in May is very cold with temperatures between 1°C and 10°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Northwest Territories during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
You can expect a few days of snow in Northwest Territories during May. It’s important to get out your snow boots and warm mittens to stay warm while you explore Northwest Territories.
Our weather forecast can give you a great sense of what weather to expect in Northwest Territories in May 2025.
If you’re planning to visit Northwest Territories in the near future, we highly recommend that you review the 14 day weather forecast for Northwest Territories before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -20° / -26° | 1 | 9 | 21 | 22 mm | Awful | Northwest Territories in January |
| February | -19° / -26° | 1 | 10 | 18 | 14 mm | Awful | Northwest Territories in February |
| March | -12° / -19° | 2 | 8 | 21 | 23 mm | Awful | Northwest Territories in March |
| April | -3° / -10° | 3 | 10 | 17 | 23 mm | Awful | Northwest Territories in April |
| May | 10° / 1° | 3 | 23 | 5 | 32 mm | Bad | Northwest Territories in May |
| June | 18° / 9° | 4 | 26 | 0 | 47 mm | Good | Northwest Territories in June |
| July | 20° / 12° | 5 | 26 | 0 | 60 mm | Good | Northwest Territories in July |
| August | 18° / 10° | 5 | 26 | 0 | 78 mm | Good | Northwest Territories in August |
| September | 11° / 5° | 5 | 23 | 2 | 47 mm | Bad | Northwest Territories in September |
| October | 1° / -2° | 4 | 11 | 16 | 42 mm | Awful | Northwest Territories in October |
| November | -10° / -14° | 2 | 6 | 22 | 33 mm | Awful | Northwest Territories in November |
| December | -18° / -23° | 1 | 8 | 22 | 24 mm | Awful | Northwest Territories in December |
For a more accurate weather forecast please select a city