Click on a day for an hourly weather forecast
The weather in Sisimiut in October is very cold with temperatures between -3°C and 0°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Sisimiut during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Let it snow! You can expect Sisimiut to be covered in white during the month of October. Be sure to bundle up when you venture outside, or take the opportunity to enjoy hot cocoa by the fire for warmth this month.
Our weather forecast can give you a great sense of what weather to expect in Sisimiut in October 2025.
If you’re planning to visit Sisimiut in the near future, we highly recommend that you review the 14 day weather forecast for Sisimiut before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -10° / -14° | 3 | 9 | 19 | 48 mm | Awful | Sisimiut in January |
| February | -12° / -16° | 2 | 8 | 18 | 29 mm | Awful | Sisimiut in February |
| March | -10° / -16° | 3 | 8 | 20 | 40 mm | Awful | Sisimiut in March |
| April | -4° / -10° | 4 | 10 | 16 | 55 mm | Awful | Sisimiut in April |
| May | 2° / -3° | 5 | 14 | 12 | 36 mm | Awful | Sisimiut in May |
| June | 7° / 3° | 3 | 24 | 3 | 27 mm | Bad | Sisimiut in June |
| July | 11° / 6° | 5 | 26 | 1 | 61 mm | Ok | Sisimiut in July |
| August | 10° / 6° | 7 | 24 | 1 | 76 mm | Bad | Sisimiut in August |
| September | 5° / 2° | 7 | 15 | 7 | 57 mm | Awful | Sisimiut in September |
| October | 0° / -3° | 4 | 12 | 15 | 59 mm | Awful | Sisimiut in October |
| November | -5° / -9° | 4 | 7 | 18 | 61 mm | Awful | Sisimiut in November |
| December | -7° / -10° | 4 | 8 | 20 | 60 mm | Awful | Sisimiut in December |