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Weather & Climate in Lone Tree No. 18, SK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Lone Tree No. 18 has a cool climate with an average annual temperature of 40°F (4°C). Winters average 8°F in January while summers reach 66°F in July. The area gets 312 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 13.0 inches (drier than the 38-inch national average). The area receives 2.4 inches of snow annually. The city sits at an elevation of 2,894 feet.
Temperature
8°F Jan (-13°C)
66°F Jul (19°C)
| Annual Average | 39.7°F |
| 26% below US avg | |
| January Average | 8°F (-13°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 312 days/yr |
Geography
| Elevation | 2,894 ft (882 m) |
| Area | 317.1 sq mi (821.4 km²) |
| Population Density | 1/sq mi |
| Coordinates | 49.1333°N, 108.2204°W |
| Timezone | America/Regina |
Precipitation & Snow
Air Quality
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.0.
| Dec 5, 1991 | 15 km WSW of Hays, Montana | M3.0 | 140 km | 10 km |
| Jul 10, 2021 | 24 km SSE of Malta, Montana | M2.7 | 114 km | 10 km |
| Jul 15, 2015 | 48 km E of Zortman, Montana | M2.5 | 142 km | 23 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Wildfire History
10 wildfires (100+ acres) recorded within 100 km. Largest: WELDER (32,985 acres, 2012).
| Year | Name | Acres Burned | Distance |
| 2012 | WELDER | 32,985 | 98 km |
| 2017 | LOWER BLACK COULEE | 6,803 | 98 km |
| 2008 | KATHRYN | 3,971 | 80 km |
| 2006 | HOWARD | 3,884 | 95 km |
| 2014 | MIDDLE BLACK | 3,854 | 86 km |
| 2008 | EAST UNIT CHARLIE | 1,911 | 90 km |
| 2002 | WHITEWATER | 1,755 | 76 km |
| 2022 | MTBWR-FY22-RX | 1,500 | 91 km |
| 2005 | BORDER | 1,409 | 80 km |
| 2010 | EAST BOWDOIN SU E F | 1,236 | 93 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 8°F (-13°C) | 0.5 in | Coldest |
| February | 15°F (-9°C) | 0.4 in | Driest |
| March | 27°F (-3°C) | 0.5 in | |
| April | 40°F (5°C) | 0.8 in | |
| May | 52°F (11°C) | 2.1 in | |
| June | 61°F (16°C) | 2.8 in | Wettest |
| July | 66°F (19°C) | 1.9 in | Warmest |
| August | 66°F (19°C) | 1.2 in | |
| September | 55°F (13°C) | 1.3 in | |
| October | 43°F (6°C) | 0.6 in | |
| November | 28°F (-3°C) | 0.5 in | |
| December | 17°F (-9°C) | 0.4 in |
Lone Tree No. 18 has a seasonal temperature swing of 57°F / from 8°F in January to 66°F in July. Total annual precipitation is 13.0 inches, with June being the wettest month (2.8") and February the driest (0.4").