Annual mean -2°C · wettest around December · prevailing wind W
Warmest
8.9 °C
Coldest
-13.4 °C
Wettest
98%
Windiest
5.5 m/s
Prevailing
W
4.0 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
never good
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Sisimiut over the whole year is -2°C. July is the hottest month, with highs of about 9°C; February is the coldest, with lows of about -14°C. The rainy (wet) season in Sisimiut runs from December to January, peaking in December with a 75% chance of rain on a given day. The dry season is February to August; February is the driest month, at 8%. Winds in Sisimiut are highest in January, averaging 4.0 m/s (14 km/h), and lightest in July, at 3.2 m/s (12 km/h). The prevailing wind is from the W. The clearest skies in Sisimiut come in February, when the sky is typically 77% covered; September is the cloudiest month, at 86%.
Month by month Sisimiut climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
-10°C
-10°C
-16°C
63%
80%
4.0 m/s
0
0
0
February
-13°C
-14°C
-19°C
8%
77%
3.7 m/s
0
0
0
March
-9°C
-11°C
-15°C
13%
78%
3.3 m/s
0
0
0
April
-3°C
-5°C
-8°C
15%
81%
3.3 m/s
0
0
0
May
2°C
-1°C
-4°C
15%
82%
3.5 m/s
0
0
2
June
6°C
3°C
0°C
23%
80%
3.6 m/s
0
0
10
July
9°C
6°C
4°C
31%
79%
3.2 m/s
0
0
30
August
8°C
6°C
4°C
28%
82%
3.5 m/s
0
0
26
September
5°C
3°C
-0°C
50%
86%
3.3 m/s
0
0
6
October
1°C
-1°C
-4°C
31%
85%
3.2 m/s
0
0
0
November
-4°C
-4°C
-9°C
22%
86%
3.7 m/s
0
0
0
December
-7°C
-7°C
-12°C
75%
83%
3.6 m/s
0
0
0
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Sisimiut weather by season
Year round, Sisimiut has days of about -13°C at their warmest in February, its coolest month, and 9°C in July, its warmest; the coolest hours of the day run from -14°C to 6°C through the year, and the average temperature over the year is -2°C around the clock. Rain is most likely around December and least likely around February. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Sisimiut weather in winterDecember to February
High -10°CLow -10°CRain 49%
Winter in Sisimiut has typical daily highs of about -10°C and lows of about -10°C, with a 49% chance of rain on a given day.
Sisimiut weather in springMarch to May
High -3°CLow -6°CRain 14%
Spring in Sisimiut has typical daily highs of about -3°C and lows of about -6°C, with a 14% chance of rain on a given day.
Sisimiut weather in summerJune to August
High 8°CLow 5°CRain 27%
Summer in Sisimiut has typical daily highs of about 8°C and lows of about 5°C, with a 27% chance of rain on a given day.
Sisimiut weather in autumnSeptember to November
High 1°CLow -1°CRain 34%
Autumn in Sisimiut has typical daily highs of about 1°C and lows of about -1°C, with a 34% chance of rain on a given day.
When is the rainy season in Sisimiut?
The rainy (wet) season in Sisimiut runs from December to January, peaking in December with a 75% chance of rain on a given day. The dry season is February to August; February is the driest month, at 8%.
What time of year is Sisimiut windiest?
Winds in Sisimiut are highest in January, averaging 4.0 m/s (14 km/h), and lightest in July, at 3.2 m/s (12 km/h). The prevailing wind is from the W.
What is the average temperature in Sisimiut year round?
The average temperature in Sisimiut over the whole year is -2°C. July is the hottest month, with highs of about 9°C; February is the coldest, with lows of about -14°C.