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Weather & Climate in Chesterfield Inlet, NU
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chesterfield Inlet has a cool climate with an average annual temperature of 13°F (-10°C). Winters average -21°F in January while summers reach 50°F in July / a wide seasonal temperature swing of 71°F. The area gets 317 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 10.4 inches (drier than the 38-inch national average). The area receives 4.3 inches of snow annually. The city sits at an elevation of 43 feet.
Temperature
-21°F Jan (-29°C)
50°F Jul (10°C)
| Annual Average | 13.2°F |
| 76% below US avg | |
| January Average | -21°F (-29°C) |
| July Average | 50°F (10°C) |
| Sunny Days | 317 days/yr |
Geography
| Elevation | 43 ft (13 m) |
| Area | 53.9 sq mi (139.5 km²) |
| Population Density | 7/sq mi |
| Coordinates | 63.3421°N, 90.7050°W |
| Timezone | America/Rankin_Inlet |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.4.
| May 8, 2004 | 190 km NNE of Rankin Inlet, Canada | M4.4 | 120 km | 18 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | -21°F (-29°C) | 0.3 in | Coldest |
| February | -20°F (-29°C) | 0.2 in | Driest |
| March | -11°F (-24°C) | 0.4 in | |
| April | 5°F (-15°C) | 0.5 in | |
| May | 22°F (-6°C) | 0.6 in | |
| June | 39°F (4°C) | 0.9 in | |
| July | 50°F (10°C) | 1.7 in | Warmest |
| August | 48°F (9°C) | 1.9 in | Wettest |
| September | 37°F (3°C) | 1.6 in | |
| October | 22°F (-5°C) | 1.2 in | |
| November | 1°F (-17°C) | 0.7 in | |
| December | -13°F (-25°C) | 0.4 in |
Chesterfield Inlet has a seasonal temperature swing of 70°F / from -21°F in January to 50°F in July. Total annual precipitation is 10.4 inches, with August being the wettest month (1.9") and February the driest (0.2").