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Weather & Climate in Key West No. 70, SK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Key West No. 70 has a cool climate with an average annual temperature of 41°F (5°C). Winters average 8°F in January while summers reach 70°F in July / a wide seasonal temperature swing of 62°F. The area gets 310 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 14.4 inches (drier than the 38-inch national average). The area receives 2.5 inches of snow annually. The city sits at an elevation of 2,375 feet.
Temperature
8°F Jan (-13°C)
70°F Jul (21°C)
| Annual Average | 41.1°F |
| 24% below US avg | |
| January Average | 8°F (-13°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 310 days/yr |
Geography
| Elevation | 2,375 ft (724 m) |
| Area | 303.7 sq mi (786.7 km²) |
| Population Density | 1/sq mi |
| Coordinates | 49.6489°N, 105.0552°W |
| Timezone | America/Regina |
Precipitation & Snow
Air Quality
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Feb 25, 2014 | 23 km N of Brockton, Montana | M3.8 | 144 km | 5 km |
| Jul 29, 1998 | 16 km WNW of Froid, Montana | M3.8 | 145 km | 5 km |
| Nov 11, 1998 | 10 km SW of Grenora, North Dakota | M3.5 | 143 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: OUTLOOK (6,292 acres, 1999).
| Year | Name | Acres Burned | Distance |
| 1999 | OUTLOOK | 6,292 | 87 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 8°F (-13°C) | 0.6 in | Coldest |
| February | 15°F (-9°C) | 0.4 in | Driest |
| March | 27°F (-3°C) | 0.6 in | |
| April | 43°F (6°C) | 0.8 in | |
| May | 56°F (13°C) | 2.2 in | |
| June | 65°F (18°C) | 3.0 in | Wettest |
| July | 70°F (21°C) | 2.4 in | Warmest |
| August | 68°F (20°C) | 1.5 in | |
| September | 56°F (13°C) | 1.3 in | |
| October | 44°F (7°C) | 0.8 in | |
| November | 27°F (-3°C) | 0.4 in | |
| December | 13°F (-10°C) | 0.6 in |
Key West No. 70 has a seasonal temperature swing of 62°F / from 8°F in January to 70°F in July. Total annual precipitation is 14.4 inches, with June being the wettest month (3.0") and February the driest (0.4").