See the northern lights
The northern lights, polar light or Aarora Borealis is a true spectacle of nature! Green, sometimes purple, red and yellow streaks of light colors the dark skies.
Sisimiut in October sees very low daytime temperatures of 0°C (32°F) and nighttime lows of -5°C (23°F). Rainfall is fairly high this month at around 69 mm (2.7 in), so pack a rain jacket to stay dry.
Our weather planner can help you explore other travel destinations worldwide.
Pick a month to see the average temperature, rainfall and sunshine in Sisimiut - and find the best time to visit.
46-year average (1976-2025)
Based on our historical records, temperatures in Sisimiut typically drop from around 3°C (37°F) at the start of October to approximately -1°C (30°F) by the end. Nights are very cold, with lows typically ranging from -6°C (21°F) to -1°C (30°F).
Browse day-by-day weather records for Sisimiut spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 21 years of weather records for Sisimiut, the following extremes were recorded between 2004 and 2025.
Find out more about the weather in Greenland and which places have the best travel conditions in this month. See all of Greenland in October →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Cold weather calls for smart layering in October. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Rain gear is recommended, you can expect wet weather on multiple days. With limited sunshine expected, sunglasses aren't a priority for packing.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Sisimiut climate overview or explore weather in Greenland.
Where to go in October - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
See the northern lights
The northern lights, polar light or Aarora Borealis is a true spectacle of nature! Green, sometimes purple, red and yellow streaks of light colors the dark skies.
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