October weather forecastSisimiut, Greenland
October
Weather in October
October solidifies the arrival of fall in Sisimiut with the drop in temperature being more marked and extensive snowfall recorded. The average range of temperatures hovers between -4.4°C (24.1°F) and 0.7°C (33.3°F). Remarkably, the weather transformation happening in October makes it a perfect choice for those interested in experiencing the Arctic fall. A potentially magical time, the city prepares for the onset of another winter season.Temperature
The beginning of October in Sisimiut marks a decrease in the average high-temperature, transitioning from a wintry 5.8°C (42.4°F) in September to a still cold 0.7°C (33.3°F). During the nights in October, Sisimiut experiences a consistent average temperature of -4.4°C (24.1°F).Rainfall
In Sisimiut, in October, it is raining for 13.6 days, with typically 37mm (1.46") of accumulated precipitation. Throughout the year, there are 137.2 rainfall days, and 382mm (15.04") of precipitation is accumulated.Snowfall
Months with snowfall in Sisimiut are January through December. In Sisimiut, during October, snow falls for 11.3 days. Throughout the year, there are 94.4 snowfall days.Sea temperature
In Sisimiut, Greenland, the average seawater temperature in October is 2.3°C (36.1°F).Note: Regarding swimming, this is extremely cold, hazardous, and can lead to death. Hypothermia sets in rapidly without the protection of insulating waterproof gear.
Daylight
The average length of the day in October is 9h and 23min.On the first day of October in Sisimiut, Greenland, sunrise is at 08:48 and sunset at 19:59 -01. On the last day of the month, sunrise is at 09:35 and sunset at 17:00 -02.
Note: On Sunday, 27. October 2024, at 00:00, Daylight Saving Time ends, and the time zone changes from -01 to -02. Daylight Saving Time starts again on Saturday, 29. March 2025, at 23:00; consequently, the time zone reverts from -02 to -01.
Sunshine
In October, the average sunshine in Sisimiut is 2.4h.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Sisimiut, Greenland
- Average high temperature in October: 0.7°C
The warmest month (with the highest average high temperature) is July (9.8°C).
The month with the lowest average high temperature is February (-10.2°C).
- Average low temperature in October: -4.4°C
The months with the highest average low temperature are July and August (3.3°C).
The coldest month (with the lowest average low temperature) is March (-18°C).
Average rainfall in October
Sisimiut, Greenland
- Average rainfall in October: 37mm
The wettest month (with the highest rainfall) is August (52mm).
The driest month (with the least rainfall) is May (18mm).
Average rainfall days in October
Sisimiut, Greenland
- Average rainfall days in October: 13.6 days
The month with the highest number of rainy days is November (14.4 days).
The month with the least rainy days is June (9.1 days).
Average snowfall days in October
Sisimiut, Greenland
- Average snowfall days in October: 11.3 days
The months with the highest number of snowfall days are November and December (13.1 days).
The month with the least snowfall days is August (0.2 days).
Average sea temperature in October
Sisimiut, Greenland
- Average sea temperature in October: 2.3°C
The best month for swimming (with the highest average sea temperature) is August (4.8°C).
The coldest months (with the lowest average sea temperature) are February and March (-1.3°C).
Average daylight in October /
Average sunshine in October
Sisimiut, Greenland
- Average daylight in October: 9h and 24min
The month with the longest days is May (Average daylight: 20h and 0min).
The month with the shortest days is June (Average daylight: 0h and 48min).
- Average sunshine in October: 2h and 24min
The month with the most sunshine is July (Average sunshine: 8h and 18min).
The month with the least sunshine is December (Average sunshine: 0h and 0min).





