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Weather & Climate in Sisimiut, Greenland
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sisimiut has a cool climate with an average annual temperature of 23°F (-5°C). Winters average 5°F in January while summers reach 45°F in July. The area gets 301 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 19.5 inches (drier than the 38-inch national average). The area receives 10.6 inches of snow annually.
Temperature
5°F Jan (-15°C)
45°F Jul (7°C)
| Annual Average | 23.2°F |
| 57% below US avg | |
| January Average | 5°F (-15°C) |
| July Average | 45°F (7°C) |
| Sunny Days | 301 days/yr |
Geography
| Area | 13.3 sq mi (34.4 km²) |
| Population Density | 42/sq mi |
| Coordinates | 66.9395°N, 53.6735°W |
| Timezone | America/Nuuk |
Precipitation & Snow
Air Quality
Earthquake History
5 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Jan 22, 2001 | 54 km NNE of Maniitsoq, Greenland | M4.9 | 129 km | 10 km |
| Apr 5, 2011 | 37 km NNW of Sisimiut, Greenland | M4.3 | 37 km | 18 km |
| Jun 13, 2001 | 40 km NE of Maniitsoq, Greenland | M4.0 | 148 km | 10 km |
| Jul 23, 2005 | 23 km SSW of Sisimiut, Greenland | M3.9 | 23 km | 10 km |
| Apr 26, 1997 | 77 km SW of Aasiaat, Greenland | M3.4 | 147 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 5°F (-15°C) | 0.9 in | Driest |
| February | 1°F (-17°C) | 1.0 in | Coldest |
| March | 4°F (-15°C) | 1.1 in | |
| April | 17°F (-8°C) | 1.3 in | |
| May | 30°F (-1°C) | 1.1 in | |
| June | 40°F (4°C) | 1.7 in | |
| July | 45°F (7°C) | 2.2 in | Warmest |
| August | 44°F (6°C) | 2.6 in | Wettest |
| September | 37°F (3°C) | 2.5 in | |
| October | 27°F (-3°C) | 2.1 in | |
| November | 19°F (-7°C) | 1.9 in | |
| December | 12°F (-11°C) | 1.2 in |
Sisimiut has a seasonal temperature swing of 44°F / from 1°F in February to 45°F in July. Total annual precipitation is 19.5 inches, with August being the wettest month (2.6") and January the driest (0.9").