All Countries
Weather & Climate in 100 Mile House, BC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
100 Mile House has a cool climate with an average annual temperature of 39°F (4°C). Winters average 17°F in January while summers reach 58°F in July. The area gets 302 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 18.9 inches (drier than the 38-inch national average). The area receives 6.7 inches of snow annually. The city sits at an elevation of 3,051 feet.
Temperature
17°F Jan (-8°C)
58°F Jul (15°C)
| Annual Average | 38.7°F |
| 28% below US avg | |
| January Average | 17°F (-8°C) |
| July Average | 58°F (15°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 3,051 ft (930 m) |
| Area | 20.5 sq mi (53.0 km²) |
| Population Density | 97/sq mi |
| Coordinates | 51.6498°N, 121.2859°W |
| Timezone | America/Vancouver |
Precipitation & Snow
Air Quality
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 6.0 m (20 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1905 | THOMPSON RIVER | Meteorological | 6.0 m | 15 | 137 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Wells Gray-Clearwater (90 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Wells Gray-Clearwater | Pyroclastic cone(s) | 2,576 m (8,451 ft) | 1550 | 90 km |
| Bridge River Cones | Volcanic field | 2,500 m (8,202 ft) | Unknown | 175 km |
| Meager | Complex | 2,680 m (8,793 ft) | -410 | 192 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 17°F (-8°C) | 1.5 in | Coldest |
| February | 24°F (-5°C) | 0.9 in | |
| March | 31°F (-1°C) | 0.8 in | Driest |
| April | 39°F (4°C) | 1.1 in | |
| May | 48°F (9°C) | 1.8 in | |
| June | 54°F (12°C) | 2.4 in | |
| July | 58°F (15°C) | 2.4 in | Warmest, Wettest |
| August | 58°F (15°C) | 1.8 in | |
| September | 50°F (10°C) | 1.5 in | |
| October | 40°F (5°C) | 1.3 in | |
| November | 27°F (-3°C) | 1.6 in | |
| December | 18°F (-8°C) | 1.8 in |
100 Mile House has a seasonal temperature swing of 41°F / from 17°F in January to 58°F in July. Total annual precipitation is 18.9 inches, with July being the wettest month (2.4") and March the driest (0.8").