July
OK
11.4°C / 6.1°C
12 rain days
cool, rainy
Best time to visit Sisimiut
Sisimiut, Greenland — ranked month by month from data: temperature, rainfall, snow, and peak hazard seasons. Every month has trade-offs — pick what you can tolerate.
Best · July & August
About Sisimiut
Sisimiut, also known by its Danish name Holsteinsborg, is the capital and largest city of the Qeqqata municipality, and the second-largest city in Greenland. It is located in central-western Greenland, on the coast of Davis Strait, approximately 320 km (200 mi) north of Nuuk.
— condensed from Wikipedia
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OK — shoulder months
August
OK
10.4°C / 5.6°C
16 rain days
cool, very wet
June
OK
7.6°C / 2.7°C
13 rain days
chilly, rainy
September
OK
5.4°C / 1°C
16 rain days
chilly, very wet
Months to skip
May
Skip
2°C / -2.5°C
11 rain days
cold, freezing nights, rainy
- freezing at night (-2.5°C)
October
Skip
-0.6°C / -5.5°C
16 rain days
cold, freezing nights, very wet
- bitterly cold (overnight -5.5°C)
- heavy rain expected (16 days)
April
Skip
-3.5°C / -8.8°C
12 rain days
cold, freezing nights, rainy
- bitterly cold (overnight -8.8°C)
November
Skip
-5.7°C / -11.2°C
17 rain days
cold, freezing nights, very wet
- bitterly cold (overnight -11.2°C)
- heavy rain expected (17 days)
December
Skip
-8.4°C / -13.9°C
14 rain days
cold, freezing nights, rainy
- bitterly cold (overnight -13.9°C)
- heavy rain expected (14 days)
March
Skip
-10.5°C / -15.7°C
12 rain days
cold, freezing nights, rainy
- bitterly cold (overnight -15.7°C)
January
Skip
-11.4°C / -16.9°C
16 rain days
cold, freezing nights, very wet
- bitterly cold (overnight -16.9°C)
- heavy rain expected (16 days)
February
Skip
-14.3°C / -19.7°C
11 rain days
cold, freezing nights, rainy
- bitterly cold (overnight -19.7°C)
How we ranked these
Each month is scored on temperature comfort (18–27°C avg high is the sweet spot), rainfall (more rain days = lower score), snow days, and peak hazard seasons (hurricanes, monsoons, etc.). Green-tier months are within ideal range with no major issues. Yellow are workable but with trade-offs. Red has at least one significant problem — extreme heat or cold, heavy rain, or peak storm season.